Edoardo Cignoli : Where the Short Customs Lines Are

Last year, 18% of all arriving air passengers to the U.S. were "precleared" at foreign airports. So on arrival, they are treated like domestic passengers.



via WSJ.com: World News http://online.wsj.com/article/SB10001424127887324635904578639754160930838.html?mod=fox_australian