NRA challenge and other headlines

Updated
Image: A bag sits on the road near the finish line of the Boston Marathon, in Boston
A bag sits on the road near the finish line of the Boston Marathon in Boston, Massachusetts April 15, 2014, during the one year anniversary of the 2013…
Photo by BRIAN SNYDER/Reuters

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)

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NRA challenge and other headlines

Updated