Ryan Lizza will be watching the evangelical vote tonight:

The source of Romney’s problems is very clear from exit- and entrance-poll data collected in seven states that have voted so far (Iowa, New Hampshire, South Carolina, Florida, Nevada, Arizona, Michigan): evangelical Christians have refused to back his candidacy. Romney has lost evangelicals in every contest—and by an average of fifteen points. His best showing came in New Hampshire, where he lost the evangelical vote by nine points, and his worst came in Iowa, where he lost it by twenty-four points.