Libya's army steps up fight against Libyan rebels Gafhafi's army has escalated the counter-offensive in an intensified effort to put down the uprising in Libya. Yemen's president calls for a national dialogue, a "day of rage" looms in Saudi Arabia Friday and Egypt has scheduled a constitutional referendum next week. How will the Arab world be different in the weeks and years ahead?11:00 a.m.
Bruce Jentleson: Professor of public policy and political science, Duke University. Author of leading textbook, "American Foreign Policy: The Dynamics of Choice in the 21st Century." Former state department advisor, and foreign affairs aide to Sen. David Durenberger and Vice President Al Gore.
Vivian Schiller: President and CEO, National Public Radio (since January 2009). Former senior vice president and general manager of NYTimes.com, former senior vice president of the Discovery Times Channel, and former senior vice president of CNN Productions.