Chief Justice John G. Roberts,Jr. administers the oath of office to President Barack H. Obama, the 44th president of the United States during the 56th presidential inauguration ceremony in Washington, DC on Jan. 20, 2009. RNS photo by Noah K. Murray/The Star-Ledger
Here's our list of (real and imagined) possibilities. Some are obvious, some less so. For our betting dollars, we're banking on someone in Louie Giglio's profile: unique but not necessarily a household name.