Beyond that, it is a PR and fundraising battle over new laws banning the so-called assault rifles and high capacity magazine clips.

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That bill expired in 2004 but, had it still been in place, it is unlikely the Arizona gunman would have been able to walk into a sports store and purchase the high capacity magazine he used on Saturday.

BBC: Why America's gun laws won't change

At the same time, those who view relatively unlimited gun ownership as an essential and non-assailable right granted to us all in the Bill of Rights must begin to better understand and appreciate why anti-gun advocates simply cannot see the sense and logic behind making combat style weapons and high capacity magazine clips available to civilian purchasers.

FORBES: Guns: What Do We Do Now?

Washington (CNN) -- No employees of NBC will face criminal charges over the display of a high-capacity ammunition magazine on a "Meet the Press" program in violation of local law in Washington, prosecutors told the network on Friday.

CNN: No charges over NBC ammo clip display

Given the uncertain benefit of restricting magazine size, not to mention the tens of millions of "high capacity" magazines in circulation, something near that number may be a constitutional minimum.

WSJ: David Rivkin and Andrew Grossman: Gun Control and the Constitution