It's a common rallying cry on the campaign trail, a promise to bring manufacturing jobs back to the U.S.
"I'm going to bring jobs back, and I'll start bringing them back very fast," Donald Trump said.
Bernie Sanders has said he's tired of seeing corporations "creating jobs all over the world while they're laying off American workers," while Hillary Clinton unhesitatingly noted she has "always been committed to bringing back manufacturing."
Funny thing about that. It's estimated the U.S. has lost roughly 5.5 million manufacturing positions in the last 25 years, and CNN said one study pegged the loss of U.S. factory jobs, because of growing...