Usa Mexıco Border

epa02176455 A pickup (R) with workers checking the fence drives up a hill on the United States side as a person (L) walks down the hill on the Mexico side of the large steel fence separating the United StatesMexico in Nogales, Arizona, USA, 27 May 2010. The fence separates Nogales, ArizonaNogales, Mexico on the United States border. US President Barack Obama plans to send 1,200 National Guard troops to help secure the border with Mexico, combat drug smuggling, confronting illegal immigrationprevent cross border violence, an administration official said on 25 May 2010.  EPA/LARRY W. SMITH