President George W. Bush (center) stands with President-elect Barack Obama, former President George . Bush, former President Bill Clinton and former President Jimmy Carter in the Oval Office of the White House in Washington, ., on Wednesday, Jan. 7, 2009.     1月7日周三，也就是昨天，美国所有尚在人世的总统们终于齐聚一堂。他们分别是:现任总统乔治布什、当选总统巴拉克 奥巴马、前总统老布什、前总统比尔 克林顿和前总统吉米 卡特。图为五位总统来到他们曾经或者将要工作的地方──白宫椭圆形办公室合影留念。