几乎在五年前，当布什总统在瓜纳华托拜访福克斯总统的时候承诺与墨西哥签订一项移民协议以来，他一直就躲避这个问题。
President George W. Bush has been skirting the question ever since he committed himself to an immigration agreement with Mexico when he visited President Vicente Fox in Guanajuato almost exactly five years ago.