Liz Hutchinson waves to passing motorists outside a polling station while campaigning for her husband who is running for a local office during the Maryland primary election in Elkton, Md., on Tuesday. Rob Carr/AP
Senate candidate Christine O'Donnell talks to voters in Wilmington, Del., on Tuesday. O'Donnell is in a Republican primary battle with Rep. Mike Castle for a Senate seat. Delawareans vote in the primary election around the state Tuesday. Robert Craig/The News Journal/AP
Democratic gubernatorial candidate, Milwaukee Mayor Tom Barrett (l.) talks with Jim and Margo Drummond at O & H Danish Bakery in Racine, Wis., on primary election day Tuesday. Mark Hertzberg/Journal Times/AP
Rick Lazio, Republican gubernatorial candidate for New York, smiles after voting in New York's primary for governor at Newin-Bay Shore Ford on Tuesday in Bay Shore, NY. Kathy Kmonicek/AP
Republican gubernatorial hopeful John Stephen greets supporters as he arrives to vote in Manchester, NH, on Tuesday. Jim Cole/AP
Republican candidate for governor Carl Paladino (r.) votes with his wife, Cathy (l.) in New York's primary in Buffalo, NY, on Tuesday. David Duprey/AP
Washington Mayor Adrian Fenty (r.) cheers with supporters after casting his vote Tuesday during Washington's mayoral primary. Ann Heisenfelt/AP
District of Columbia Council Chairman and mayoral candidate, Vincent Gray (l.), greets supporters with his daughter Jonice Gray Tucker (r.) at the polling station in Washington on Tuesday. Jacquelyn Martin/AP
Philip Davi of Brightwaters, NY, signs the register to vote in the Republican gubernatorial primary at Newin-Bay Shore Ford on Tuesday in Bay Shore, NY. Kathy Kmonicek/AP
Rep. Mike Castle and wife Jane vote Tuesday morning at Highlands Elementary School in Wilmington, Del. Castle is in a Republican primary battle with Christine O'Donnell for the US Senate seat previously held by Vice President Joe Biden. Delawareans vote in the primary election around the state Tuesday. Robert Craig/The News Journal/AP
Early Monday morning, two missiles launched from North Korea's west coast flew about 300 miles before landing in waters off the east coast.
ByHyung-jin Kim, Associated Press
North Korea on Monday fired two short-range ballistic missiles into the sea and warned of "merciless strikes" against its enemies as allies Seoul and Washington launched annual military drills Pyongyang claims are preparation for a northward invasion.