(CNN) - With Sens. John McCain and Barack Obama set to answer questions from Pastor Rick Warren at a forum on Saturday night, issues of faith dominated political headlines Friday.
In the latest episode of CNN=Politics Daily, White House Correspondent Ed Henry reports on McCain's efforts to hold on to the votes of social conservatives and evangelicals; voters that were critical to President Bush's election and re-election. On the same theme, Carol Costello takes a more personal look at how each man deals with discussing his personal faith in his political life as a presidential candidate.
Senior Political Analyst Bill Schneider goes back to Iowa, where the 2008 presidential campaign began in early January. The state known for its first-in-the-nation caucus is shaping up to be a November battleground.
Finally, it's Friday so Jennifer Mikell brings you some of this week's most memorable moments from the campaign trail.
Click here to subscribe to CNN=Politics Daily.