Mexican President Vicente Fox stepped up his attacks on the United States plan to build a fence along its southern border on Sunday, saying it was a “shameful” initiative for a democracy. Fox said barriers between nations belonged to the last century and had been torn down by popular uprisings, referring to the fall of the Berlin Wall in 1989. “This wall is shameful,” Fox said at an event for migrants in his home state of Guanajuato. Full Story