They got the "wave more U.S. flags!" thing right for their second set of marches, but now they've taken a big step backward. Here's yet more proof that the pro-illegal immigration movement is run by idiots.

The Great American Boycott" is spreading south of the border, as activists call for Mexicans to boycott U.S. businesses on May 1.

The protest is timed to coincide with a May 1 boycott of work and shopping in the United States that also has been dubbed "A Day Without Immigrants." The boycott, which grew out of huge pro-migrant marches across the United States, is designed to pressure Congress to legalize millions of undocumented people ...

... Ironically, the protest targets the U.S. business community, which is one of the strongest supporters of legalization or guest-worker programs.