Bob Costas steps down from NBC’s Olympic hosting duties after 24 years

Bob Costas is stepping down from his role as prime-time host of NBC's Olympics coverage, Costas has been the on-air concierge to NBC's Olympics 11 times, starting in 1992. Costas, 64, said in a statement that it was his choice to leave the job. He will continue to appear on NBC Sports and NBC News programs. He said.