It was a most unusual brother act: Christopher Hitchens and Peter Hitchens debating religion; the latter a believer, the former decidedly not. And while the British-born writers had aired their disagreements in public before, their Tuesday forum at the Pew Research Center in Washington was their first since the atheist brother -- Christopher -- announced that he is dying of esophageal cancer.

Has it changed their relationship?

Read the complete story (Some news sites require registration)