Republican Dave McCormick leads Democratic Sen. Bob Casey by about 28,000 votes, under the 0.5 percentage point threshold for an automatic recount under state law.

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,

Pennsylvania’s Senate race is heading towards a recount between Republican Dave McCormick and Democratic Sen. Bob Casey. NBC News’ Mark Murray reports.