U.S. Prepares for 'Day Without Immigrants'
U.S. Prepares for 'Day Without Immigrants': "Los Angeles Mayor Antonio Villaraigosa urged students to stay in school during the day and advised protesters against waving flags of their native countries. 'You should wave the American flag,' he said. 'It's the flag of the country that we all are proud of and want to be a part of. Don't disrespect the traditions of this country.'"