2011/02/18 Headlines: Egyptians Mark Week Since Mubarak's Ouster; U.S. Pledges Aid for Egyptian Transition; Bahrainis Hold Funerals for Slain Pro-Democracy Protesters; Bahraini Gov't Calls Attack on Protesters "Proportional"; U.S. Raises "Concerns" over Bahraini Crackdown; Up to 50 Protesters Killed in Libya; Yemeni Protests Enter 2nd Week; Iraq Asks U.S. for $1 Billion in Damages; Congress Extends PATRIOT Act; Both Sides Challenge Chevron Ruling in Ecuador