Understanding Globalization with Thomas Friedman.

Thomas Friedman is a man bent on revolution. In his new book, Hot, Flat, and Crowded, the three-time Pulitzer Prize-winning journalist writes about the need for a green revolution — and calls upon Americans to lead the charge.

New York Times columnist Thomas Friedman just returned from a trip to Israel, Jordan and Syria. He talks with us about the war between Israel and Hezbollah, and where Syria fits in. Friedman's most recent book is The World is Flat: A Brief History of the 21st Century.

The most frightening thing the United States could do to Iran, short of attacking it, is to leave Iraq, says New York Times columnist Thomas Friedman. The second most frightening thing for Iran, he says, would be a U.S. success in Iraq.