National Journal: Gun violence, climate change, and $16 trillion in U.S. debt are life-and-death crises that give President Obama the opportunity to become a truly transformational president. Pity his legacy if Obama fails, or fails to try.
Today's headlines reflect the high risk and reward of striving: Vice President Joe Biden is meeting with the gun-rights lobby in the quest for a post-Newtown solution to American-on-American massacres; 2012 was the hottest year ever recorded in the contiguous United States;...