Sen. Marco Rubio (R-FL)79% told a nationwide audience in Wednesday’s CNBC Republican presidential debate that companies are importing foreign graduates because American college grads just can’t do the work. The claim came when CNBC’s John Hardwood asked Rubio if he was undercutting American professionals by supporting a bill to let companies import more foreign temporary H-1B “guest workers†for white-collar jobs. Rubio evaded the question by blaming Americans’ supposed lack of skills. “We need to get back to training people in this country to do the jobs of the 21st century… The best way to close this gap is to...