From this: In an interview with Fortune to be featured in the magazine's upcoming issue, the presumptive Democratic nominee backed off his harshest attacks on the free trade agreement and indicated he didn't want to unilaterally reopen negotiations on NAFTA. "Sometimes during campaigns the rhetoric gets overheated and amplified," he conceded, after I reminded him that he had called NAFTA "devastating" and "a big mistake"... Does that mean his rhetoric was overheated and amplified? "Politicians are always guilty of that, and I don't exempt myself," he answered... In other words, he was...