Iraq Invasion: 5th Anniversary; Unrest in Tibet

On the fifth anniversary of the invasion of Iraq, NBC correspondent Richard Engel reports on the political climate in Baghdad, the status of Al Qaeda, and reconstruction efforts. Richard Perle and Frederick Kagan of the American Enterprise Institute explain the strategy behind the "surge" and assess its success. Columbia Professor Robert Thurman, Orville Schell of the Asia Society, author Pico Iyer, and Tibetan scholar Tashi Rabgey discuss the protests commemorating the 1959 exile of the Dalai Lama.