Steelers can’t run, Chargers up 13-3 at half

Whether Ben Roethlisberger’s back or not, the Steelers aren’t the Steelers if they can’t line up and get a yard. They’ve failed to convert three short-yardage runs today, and without Roethlisberger making plays, they trail 13-3 at halftime to the lame duck Chargers. San Diego’s not playing particularly well either, but the Steelers are a…