Morning Roundup: Mayor Coleman not thinking about Senate run, COTA ridership way up, why Ohio State-Michigan still doesn't have a title sponsor

In today's roundup: Mayor Coleman says he's not focusing on a Senate run, Columbus is winning an online poll on which city should be the DNC host, COTA's ridership is at its highest in a decade, the Cleveland Clinic's medical hub is getting even bigger, Burger King fans don't care about its Tim Hortons tax deal, and OSU still says it doesn't need a title sponsor for The Game...