18 APRIL 2011 - PHOENIX, AZ: MICHAEL P., a retired teacher, chants during a picket of US Sen John McCain's office Monday. About 50 members of MoveOn.org gathered at the office of US Sen. John McCain (R-AZ) in Phoenix, AZ, Monday, Apr. 18, to draw attention to corporations that don't pay U.S. taxes. A representative of the group went into McCain's office present the Senator's staff with a tax bill for the 12 corporations they say paid no US income taxes. Photo by Jack Kurtz