Microsoft co-founder Bill Gates shakes hands with Barbara Bush as U.S. President George Bush and first lady Laura Bush watch the swimming events at the National Aquatics Center, August 11, 2008.

• 2008年8月11日，国家游泳中心，微软创立者之一比尔-盖兹同芭芭拉-布什握手；美国总统乔治-布什和第一夫人劳拉-布什在观看游泳比赛。