* Headlines for August 25, 2008 * Antiwar Activists Take to the Streets to "Defend Denver" * Rick MacArthur: "You Can't Be President: The Outrageous Barriers to Democracy in America" * Massive Security Operation Mobilized for DNC * AT&T Throws Party to Support Dems Who Voted to Grant Telecoms Immunity for Illegal Domestic Wiretapping * A Debate on Sen. Joe Biden's Foreign Policy Record Between Steve Clemons and Stephen Zunes