The Michigan Republican will announce his campaign in his home state, making him the third House Member to enter the race. Reps. Michele Bachmann (Minn.) and Ron Paul (Texas) have also launched campaigns.
McCotter spokeswoman Michaela Huntley told the Detroit News that the lawmaker had made a decision about whether to run, but she declined to disclose his plans.
Vice President Joe Biden waits to conduct a mock swearing-in ceremony with Sen. Brian Schatz, D-Hawaii, in the Capitol's Old Senate Chamber, December 2, 2014. Schatz was sworn in to serve the remainder of his term since he was appointed to the seat after Sen. Daniel Inouye, D-Hawaii, passed away.