WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, a father and son march with immigrants and their supporters to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, union members march with immigrants and their supporters to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1, 2009: On International Workers' Day, immigrants and their supporters march to the White House to call for legal reforms and an end to workplace raids.WASHINGTON, DC - MAY 1: On International Workers' Day, immigrant families and their supporters march to the White House to call for legal reforms and an end to workplace raids.