CNN Erin Burnett OutFront September 12, 2012
protesters were able to push that down and the fight according to cnn sources on the ground, moved to a mosque in tahrir square, where there is tear gas. about 200 meters from the u.s. embassy. as we get ian lee ready, i'm joined by nick kristof here, columnist for the "new york times," a man who has spent a lot of times covering the arab spring and now, thinking about the tragedy that has happened in cairo and libya, which we're going to talk more about in a moment. what is your reaction to how this seems to be escalating? >> i think the thing that strikes me the most is that at lea...