What with Occupy Wall Street's protesters railing against the power of America's plutocrats, and Barack Obama's insistence that the wealthy must pay more, a row about tax seems likely to dominate the campaign.

ECONOMIST: The presidential race

For Margaret Barker, a Methodist scholar, part of the faith's power lies in its insistence that prophecy and divine revelation did not just happen once, a long time ago: the flow of messages from God is still in progress.

ECONOMIST: The Mormon faith is spreading. But is it a world religion?