Overview: 2011/05/27 Headlines: Yemeni Air Force Bombs Tribal Fighters; Thousands of Egyptians Protest in Tahrir Square; Obama Signs Extension of PATRIOT Act; House Passes Bill Authorizing an Endless "Worldwide War"; Eight U.S. Troops Die in Afghanistan; Clinton in Pakistan to Mend Relations; Banks to Pay $22 Million for Foreclosing on Military Service Members; Vermont Governor Signs Single-Payer Healthcare Law; Arizona Immigrant Worker Bill Upheld; Mladic to be Extradited to Face War Crimes Charges; Saudi Arabia Rallies Other Nations to Form Sunni Alliance; 100 Protesters Detained in France Ahead of G8 Summit