Bloomberg plans a $50 million challenge to the NRA. (NY Times)
The backpacks dropped at the Boston Marathon finish line contained a hoax bomb and equipment belonging to the news media . (NBC News)
Ukraine suffers setback in bid to confront pro-Russian militias. (NY Times)
AZ Gov. Brewer signs bill on surprise abortion-clinic inspections. (Arizona Republic)
Duke Energy presents plan for coal-ash spill cleanup. (Greensboro News & Record)
Jimmy Carter comes out against the Keystone XL pipeline. (Washington Post)
Immigration activists push House GOP in last-ditch campaign for vote. (LA Times)
Former Army sergeant to receive the Medal of Honor. (AP)
Tricia McKinney
Tricia McKinney is a Senior Producer for "The Rachel Maddow Show" and "Alex Wagner Tonight."