A big crowd turned out for the March of Dimes walkathon in Gainesville, Fla., in early March. But overall, the March of Dimes' March for Babies raised $3.5 million less in 2014 than it did the year before. Elizabeth Hamilton/Gainesville Sun/Landov hide caption

itoggle caption Elizabeth Hamilton/Gainesville Sun/Landov

A protester stands in front of police vehicles with his hands up during a demonstration in Ferguson, Mo., where in August 2014 a white police officer shot and killed an 18-year-old black man. Justin Sullivan/Getty Images hide caption

itoggle caption Justin Sullivan/Getty Images

Beginning April 1, all sugary beverages and food of "minimal-to-no nutritional value" sold on the Navajo reservation will incur an additional 2-cent tax. April Sorrow/Flickr hide caption

itoggle caption April Sorrow/Flickr

A vintage postcard (circa 1930-1945) shows the HoJo's at U.S. Alternate Route I, in Fredericksburg, Va. Boston Public Library/Flickr hide caption

itoggle caption Boston Public Library/Flickr

Morning traffic makes its way toward downtown Los Angeles along the Hollywood Freeway, past an electronic sign warning of severe drought. California Gov. Jerry Brown introduced the state's first mandatory water reduction measure this week. Richard Vogel/AP hide caption

itoggle caption Richard Vogel/AP