Usa Mexıco Border

epa02176466 A Border Patrol agent sits on the hillside on the United States 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