Rep. Don YoungDonald (Don) Edwin YoungThe Hill's 12:30 Report: Dems release first transcripts from impeachment probe witnesses GOP lawmaker head-butts MoveOn camera Hundreds turn out for London's first transgender equality march MORE (R-Alaska) is the most senior Republican in the House — and he plans to stay that way.

"I'm running again. I'm going to outlive them all," Young said with a laugh when asked if he was definitely running for another term in Congress.

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Young, 80, is Alaska's sole congressman and the former chairman of both the Natural Resources and Transportation committees. He was first elected in 1973 and will be running for his 22nd term in Congress. He became the longest-serving Republican in Congress when Rep. Bill Young (R-Fla.) died last year.

He faced a tough primary and general election in 2008 following a House Ethics Committee investigation but hasn't faced much competition at the ballot box since then in the heavily Republican state.