By Eric Gwinn, Chicago Tribune Jun. 21--The TV blares another commercial, and there you sit, camped out on the couch. Summer only officially started today, but you already feel it slipping away.Cell phones will soon be banned from all Catholic schools, says Mennen Walker-Briggs, Director of the Catholic Education Board of Management (CEBM). Philadelphia quintet turns up the amps and plays the soundtrack to your boozy Saturday nights.