Some argue that the WW II Bracero program started the first major flood of Mexicans into the U.S In 1954 President Eisenhower's Operation Wetback cracked down and more than one million Mexicans returned to Mexico, most voluntarily. This firm approach all but halted illegal immigration. It was again stimulated by the 1965 Immigration Act which increased the flow of legal immigrants from Mexico. Some argue that the apprehensions in 1960 should be the standard to work toward. (Posted 10.30.06 as part of feature item).