My take -- and I'm on the side of gun ownership -- is this:
We have a lot of gun violence in America. We have a lot of violence in America. Yet, when I say "In America" what I really mean is that we have geographic pockets where a relatively high amount of violence is sustained, we have relatively low levels of violence spread throughout the remainder of the country, and we have sporadic events of mass violence like we saw yesterday. While those mass events are tragic, the numbers of people killed in such events are statistical chaff -- not to minimize the human costs of those deaths in any way -- but it does not do any good to pretend that making sweeping changes to law guided by and in response to those horrific events will have any effect on the rest of it, much less on the underlying social, criminal, economic, and mental-health problems that cause it to exist in the first place.
The statistics and sound bytes you hear on the news often do not offer a clear view -- When the newsman cites the oft-quoted number of American gun deaths, he never seems to remember to mention that suicide and gang violence make up something like 2/3rds of the figure. He doesn't tell you that the likelihood of a person being killed in a mass shooting, accidentally, or otherwise minding their own business is vanishingly small. The pundits for gun control or banishment, making the argument that defensive use of guns is rare enough to not weigh in the discussion, won't remind you that the FBI statistics for defensive gun uses are only recorded when the aggressor dies as a result of his victim shooting him -- that when the aggressor is shot and neutralized or just runs away, this isn't recorded as a defensive gun use. They won't point out that they're pandering every time they simplify the issue as a result of an out-of-touch NRA in the pocket of gun lobbyists. Pundits for total laissez faire gun ownership are often no better -- while I do not think that more guns makes things any worse in and of itself, I don't especially share in the common oppionion that more guns everywhere make things better, either.
The thing is, regardless of the side their on, both sides actually do want to reduce the amount of gun violence. And not just because its a good thing -- from a purely selfish point of view, gun rights supporters (including their organizations) want fewer gun deaths because it would mean they face less misplaced scrutiny. I firmly believe that if both sides came together and started a fresh dialog, that we could come up with ways to reduce gun violence without undue burden on the lawful gun owner. Unfortunately, there's a long history of mistrust, posturing and frankly, pandering, on both sides that makes that difficult. Gun owners and supporters knee-jerk because they know they're good people who would never harm another person with their firearms, but they know they're about to be painted with the same brush as criminals, psychopaths and mass-murderers every time a mass shooting occurs. Gun control advocates rarely disappoint them in this, nor fail to take advantage of big-news-but-statistically-irrelevent events.
Gun control advocates say they want "sensible measures" but their actions don't follow through in actually attacking the problem where it exists. Repeatedly, they go after scary-looking "assault weapons" (a term they coined themselves, by the way, back in the 80s) like the AR-15. The AR-15, by the way, is the most popular firearm in the nation, with over 3 million of them in the hands of citizens (that's almost 1 for every hundred people), and yet they are used in fewer than 0.5% of crimes -- long guns of any type (rifles, shotguns, anything you would hold to your shoulder) and used in fewer than 2-3% of all crimes and make up the majority of all legally-owned guns owned in the nation. So why is that particular firearm, and other 'assault weapons' are always first to be targeted and villianized -- well, if you consistently use terms like 'assault weapon' to describe them, and you point out how much they look like military weapons (despite being functionally identical to many hunting rifles), its easy to convince a public who doesn't know any better that there's no good reason the average person should be able to own military hardware.
If we were to honestly address gun violence in this country, we wouldn't start with guns at all -- not of any sort. We'd start with crime, and criminals, and mental health, and gang violence, and with the endemic socio-ecomonic disadvantages faced by places and populations where most gun violence actually occurs. We'd start with greater emergency services and support for those considering suicide, or considering lashing out. We'd make sure that people who committed crimes using guns (that is, fired or brandished -- not simply in possession of, or forgotten in their getaway car) went away for a long time, and were never able to possess guns again under strict penalty (think lifetime parole condition). We'd crack down on *illegal* gun sales, while leaving legitimate sales (including person-to-person sales) alone. In short, we'd start by attacking the problems, rather than using the tragedy of it all to achieve political agendas. For the most part, the mainstream gun owner doesn't object to a reasonable and expedient background check, and the NICS system works pretty well -- if you buy a gun at retail, its a good certainly that you haven't lost the right to do so -- making this more-stringent wouldn't actually have much effect on illegal guns, because this isn't where illegal guns (nor guns used in crimes) come from. But this isn't what gun control advocates put forward -- they wan't to take away your scary guns, they want to impose manufacturers to include sometimes-expensive safety features that could hinder legitimate defensive gun use, they want to impose a size limit on magazines, they want the FBI and BATF to know every time you purchase a firearm, or ammunition, or any 'functional' firearm accessory from slings to pistol-grips. In California, they've succeeded as pushing such non-nonsensical measures as outlawing rifled barrels in pistols -- they deemed it safer to have the very same guns allowed, just less accurate -- by some misguided assumption that this somehow saves lives, presumably.
I could go on -- I haven't even touched upon the constitution or founders, or on the philosophical difficulty of entrusting a monopoly on the use of force to government bodies (moreso than it already is).
I'll leave with a personal experience though, which should illustrate why its not so cut and dried for the urban population of the states to enforce their views nationwide. When I was 4, my mother broke up with a boyfriend who showed up at our door, drunk, threating to kill her and the three of us kids -- specifically, he swore we would choke us all to death. This was in a rural town of 1200 people, and a country seat (having the county courthouse, jail, and sheriff's department). We lived in an apartment no more than half a mile from the Sheriff's station -- a straight shot down the highway that passed through town. My mother called the police, gave them the information, and was assured help would arrive shortly. She called my grandfather next. From 8 miles outside town, my grandfather and one uncle woke themselves up, threw on clothes and still arrived in half the time of the first uniformed officer. That we lived inside town and still experienced this delay of response was only half-fluke -- there were only so many officers to spread across the county, and it was nighttime, so some delay was to be expected, but often at least one officer would be nearby the larger of the small towns dotted around; but what I've taken away from that experience is that is entirely the norm for people who live rurally, and that even people in smaller towns experience similar delays. We didn't have a gun in the house -- luckily we didn't have an angry drunk intent on killing us, with help 15 minutes away, either.