U.S. Senate candidate Ed Markey shakes hands with a supporter in Boston, Tuesday, April 30, 2013 as he celebrates winning the Democratic primary for the special U.S. Senate election. Markey and Republican former Navy SEAL Gabriel Gomez won their party primaries Tuesday, setting up a race between a 36-year veteran of Washington politics and a political newcomer for the U.S. Senate seat formerly held by John Kerry. (AP Photo/Elise Amendola)