In Bahrain, Will Violent Crackdown Break or Bolster Opposition?

Listen to the Audio JIM LEHRER: Troops in Bahrain opened fire today on crowds of protesters who defied a ban on demonstrations. Hospital officials said at least 50 people were wounded. It came a day after a government crackdown in the Persian Gulf kingdom, where the U.S. Navy's Fifth Fleet is based. We have a report from Jonathan Rugman of Independent Television News.

A warning: Some of the