500,000 March in L.A. Against Immigration Bill: "LOS ANGELES, March 25 -- They surprised the police, and maybe themselves, their T-shirts turning block after block of downtown Los Angeles streets white in a demonstration so massive that few causes in recent U.S. history could have matched it.

Police said more than 500,000 people marched Saturday to protest a proposed federal crackdown on illegal immigration. Wearing white as a sign of peace -- and waving flags from the United States, Mexico, Guatemala and other countries -- they came to show that illegal immigrants are already part of the American fabric, and want the chance to be legal, law-abiding citizens."