Continued from page 1

“Dr. Martin Luther King Jr. told Cesar Chavez once, ‘We are brothers in the fight for equality,’” Mr. Obama said. “And in fact, without the strong support of Latinos, including so many Mexican-Americans, I would not be standing here today as president of the United States. That’s the truth.”

The president will depart Mexico later Friday for a summit with regional leaders in Costa Rica before returning to Washington on Saturday.