“Do you repudiate Richard Fink’s remarks at the Koch retreat this summer?” a reporter asked Mitch McConnell the other day. His chattiness was caught on tape at the now famous Father’s Day fund-raising conclave hosted by Charles and David Koch. But when the scribe aimed a mike at McConnell, mum was the word from the senate majority leader-wannabe. Off the record, McConnell has heaped high praise on the Koch siblings.