While Hagel’s nomination has been quite controversial — on both the left and the right — he appears to have weathered the initial storm and, having won the backing of influential New York Sen. Chuck Schumer, seems likely headed for confirmation.

Still, much rides on Hagel’s performance before the committee today. The committee is packed with opponents (ranking Republican Jim Inhofe has already said he would oppose Hagel’s nomination), former friends (John McCain) and likely supporters who still need to hear a few correct answers to reassure them (Kirstin Gillibrand).

Read the full Fix list of who to watch -- for a variety of reasons -- here.