Overview: 2011/02/02 Headlines: Mubarak Supporters Attack Protesters in Tahrir Square; Mubarak Refuses to Resign, Won't Seek Re-election; Millions March Against Mubarak on Tuesday; Obama: "Orderly Transition" in Egypt Must Begin "Now"; U.S. Lawmakers and Egyptian Officials Met 250+ Times in 2010; Yemeni President to Step Down in 2013; Extreme Weather: U.S. Gripped by Massive Winter Storm; Bill Introduced to Ban EPA from Regulating Greenhouse Gases; Senate Republicans Advocate Healthcare Repeal; Report: Iraqi Forces Operating Secret Prison in Baghdad; Deported Haitian Man Who Died Was Healthy Upon Leaving the U.S.; Specialist Recommended Bradley Manning Not Be Deployed to Iraq; Obama to Ratify New Disarmament Treaty; Sites for Democratic and Republican Conventions Chosen