There’s been no shortage of dismissive reviews of Click & Clack’s As the Wrench Turns, the animated Car Talk spin-off PBS launched July 9. Now viewers weigh in, and it’s not much prettier. “Click and Clack? Surely, you jest!” Mary Sykes of Raleigh, N.C., wrote to PBS Ombudsman Michael Getler. “That you who preach journalistic integrity would subject your viewership to such dribble on such a class act station is almost beyond repair.”