Saudi Arabia Sends Troops Across Border in Effort to...

Aired: 3/14/2011 | 0:06:43 | Clip
Saudi Arabia sent at least 1,000 troops and dozens of military vehicles into Bahrain following a month of clashes between protesters and police that challenged the ruling monarchy's power. Margaret Warner talks to Kenneth Pollack of the Brookings Institution about the turn for protests in the Arab world.