Illegal immigrants in this country are threatening a massive boycott on May 1, purportedly to demonstrate they are so essential that the U.S. economy would shut down without their labor. On the contrary, such a boycott will expose the lie expressed by President George W. Bush in Cancun, Mexico, that they are "doing work that Americans will not do." According to the Pew Hispanic Center, illegal immigrants make up less than 5 percent of the U.S. labor force. If every one of the 20 million illegal aliens in our country plays hooky from his job on May 1, the overwhelming...