American stupidity

Two-thirds of doctoral candidates in science and engineering in U.S. universities are foreign-born. But only 140,000 employment-based green cards are available annually, and 1 million educated professionals are waiting -- often five or more years -- for cards. Congress could quickly add a zero to the number available, thereby boosting the U.S. economy and complicating matters for America's competitors. Source: A wall against talent

Meanwhile, thousands of unskilled Mexicans cross the Rio Grande each year without having to queue for the same green cards...