About Bob Costas:
Robert Quinlan "Bob" Costas is an American sportscaster, on the air for NBC Sports television since the early 1980s. He has been prime-time host of nine Olympic games. He also does play-by-play for MLB Network and hosts an interview show called Studio 42 with Bob Costas.
Any good broadcast, not just an Olympic broadcast, should have texture to it. It should have information, should have some history, should have something that's offbeat, quirky, humorous, and where called for it, should have journalism, and judicious...Bob Costas