Pardon the interruption, Tony Kornheiser, but isn't your show of the same name supposed to be about sports, and not a platform for you to promote Democrat candidates? Yet in the closing segment of yesterday's PTI, Kornheiser managed to work in a plug for Mark Kelly, a Dem candidate for senator from Arizona. Kelly is the husband of former Dem Rep. Gabrielle Giffords. Kelly and Giffords became prominent gun-control advocates after she survived an assassination attempt in 2011. Kornheiser wished Happy 55th Birthday to Kelly and his twin brother Scott, then added: "Mark Kelly is...