PHILADELPHIA — Pennsylvania’s nationally watched U.S. Senate race is headed to a recount after incumbent Sen. Bob Casey did not waive an automatic recount. The Associated Press called the race last week for Republican Dave McCormick,

The margin in Pennsylvania’s U.S. Senate race between incumbent Democratic Sen. Bob Casey and Republican Dave McCormick is close enough to trigger an automatic recount, the state’s top

Republican David McCormick cut into Democratic Sen. Bob Casey's support in Philadelphia and its populous suburbs and built leads in the more GOP-leaning parts of the state, foreclosing the incumbent's pathway to victory when The Associated Press called the race Thursday.