Corretta Scott King, wife of the slain civil rights leader, warned way back in 1991 that illegal immigration would rob jobs from poor blacks and Hispanics, echoing a new anti-immigration reform ad on national TV. snip America does not have a labor shortage. With roughly 7 million people unemployed, and double that number discouraged from seeking work, the removal of employer sanctions threatens to add additional U.S. workers to the rolls of the unemployed.