George W. Bush won eight out of 10 Christian church-goers in 2004, and evangelicals have been a reliable part of the Republican base. But John McCain has failed to inspire the religious right, while Barack Obama has advocated expressions of faith in the public square, pushing hard for that one-forth of the presidential vote that's been considered most reliably Republican: evangelical Christians. Are evangelicals focusing less on abortion, stem-cell research and gay marriage than they are on poverty and the environment? Did McCain make a mistake by rejecting two right-wing pastors? Can Obama overcome his association with the Reverend Jeremiah Wright?