Will this placate Arizonans? President Obama will announce on Tuesday plans to send 1,200 National Guardsmen to the Mexican border, plus he’ll request $500 million in funding for border enforcement. An official says the troops will be used “to provide intelligence; surveillance and reconnaissance support; intelligence analysis; immediate support to counternarcotics enforcement; and training capacity until Customs and Border Patrol can recruit and train additional officers and agents to serve on the border.”