Who should step in to pray at Obama's inauguration?
Chief Justice John G. Roberts, Jr. administers the oath of office to President Barack H. Obama, with his hand on the Lincoln bible, during the 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.