As news of yet another school shooting breaks, this time in California, the White House and New York Governor Andrew Cuomo are already moving to crack down on gun violence. Speaking on MSNBC's The Ed Show, Nation editor and publisher Katrina vanden Heuvel said if congress won't take action, Barack Obama should enact the Joe Biden's anti-gun-violence program through executive order. With NRA approval ratings sinking, now is the time to start improving gun control.

—Alec Luhn

Nation blogger Rick Perlstein recently finished a two-part post on how the NRA went from supporting to opposing gun control, with original research on Ronald Reagan's role in the transformation.