US
Mexican president says he does not want to be drawn into a confrontation on the issue
President threatens to renew hostilities with a new shutdown
The new policy to be launched initially at the busy Tijuana-San Ysidro border crossing south of San Diego
Says these concessions will build trust and goodwill necessary to begin real immigration reform
US Senate is highly unlikely to pass the legislation
Texas National Guard said it would send 250 troops to the border