“For the third time in a week, GOP presidential nominee Mitt Romney and the auto industry are at loggerheads, this time over a Romney radio ad implying that GM and Chrysler are expanding production in China at the cost of American jobs. The ad claimed that “Under President Obama, GM …

“The Romney campaign’s “update” yesterday of its economic plan contains little new in it besides regurgitations of dubious old claims, proving only that the GOP presidential candidate and his advisers take seriously their vow that “we’re not going to let our campaign be dictated by fact checkers.” Perhaps the most …