Sen. Kay Hagan, D-N.C., takes questions from the media in April during an appearance in Durham, N.C. Hagan has tried for her first 5 1/2 years in the U.S. Senate to persuade North Carolina voters that being in the middle of the road is a good thing.
Gerry Broome/ASSOCIATED PRESS
A young Chinook salmon, called a smolt, near Vallejo, Calif., on April 24, 2014. North Coast tribes and environmentalists fear that the smolts and Chinooks may not survive this year's low river flows and warm water.
A clergyman leads demonstrators protesting the shooting death of Michael Brown down West Florissant Avenue in Ferguson, Mo., on Wednesday. A large contingent of clergy helped keep the mood calm after days of unrest.
Eric Kayne for NPR