On the President's agenda this week: a gun reform blitz.
Prospects of gun reform suddenly appear to improve in the Senate.
What the Newtown families want.
Gun-rights advocates in Colorado may try a recall campaign.
Sen. Harry Reid hints he might have to use the "nuclear option" against the filibuster.
The first U.S. diplomat to be killed in Afghanistan since the war began.
The coolest line item in Pres. Obama's proposed budget? Money for NASA to catch an asteroid.