Tahrir Square in Cairo is sounding more like Tiananmen, as pro-Mubarak forces are trying to put down the popular revolt by force. There are now reports of serious casualties, according to people on the scene via Twitter feeds.

Chris Hayes (@chrislhayes) and Noor Khan talk about what has been brewing in the streets up until it all erupted.

Meanwhile, Stephen Carter wonders aloud if GWB was right about his professed desire to expand democracy in the Arab world, and Anshel Pfeffer tells fellow Israelis to calm down about the alleged prospect of imminent Islamist rule.