** ADVANCE FOR USE AFTER 12:01 A.M. EDT ON MONDAY, MARCH 18 ** In this photo taken March 13, 2013, commuters from the Red Line train arrive at Union Station in downtown Los Angeles. An

 

              ** ADVANCE FOR USE AFTER 12:01 A.M. EDT ON MONDAY, MARCH 18 ** In this photo taken March 13, 2013, commuters from the Red Line train arrive at Union Station in downtown Los Angeles. An
** ADVANCE FOR USE AFTER 12:01 A.M. EDT ON MONDAY, MARCH 18 ** In this photo taken March 13, 2013, commuters from the Red Line train arrive at Union Station in downtown Los Angeles. An historic decline in the number of U.S. whites and the fast growth of Latinos are blurring traditional black-white color lines, testing the limits of civil rights laws and reshaping political alliances as whiteness begins to lose its numerical dominance. (AP Photo/Nick Ut)