Alaska U.S. Rep. Don Young has died, former aides said on Friday. Details were not immediately available. Young, a Republican, had served in Congress since 1973, when he was sworn in after winning a special election. Young was the longest-serving member of the U.S. House, was in his 25th term and running for a 26th. He was his state’s sole member of the House for more than three-fourths of the time Alaska has been a state.