The issue of Sen. Barack Obama’s Muslim past has surfaced again as his campaign steps back from its flat denial that he ever belonged to the Islamic faith. Earlier this year several media outlets reported that Obama had attended a radical madrasa, or Islamic school, when he lived in Indonesia. At the time, Obama spokesman Robert Gibbs declared: “To be clear, Senator Obama has never been a Muslim, was not raised a Muslim, and is a committed Christian who attends the United Church of Christ in Chicago.” The report about the radical madrasa turned out to be false. Now, in...