By Ruby Pratka HAMILTON – Every weekday for the past 20 years, Bob Cowan’s alarm has rung at 2:30 in the morning. Cowan is the longest-serving anchor of CHCH Morning Live in Hamilton, Ont. The morning show, which serves Hamilton, Halton, Niagara and the surrounding areas, celebrated the start of its third decade on February 12. Cowan says he enjoys the variety of the popular morning show. “Morning shows are kind of a unique animal in that there’s no specific audience demographic – you’re dealing with viewers from 9-90. You have to paint with a wide brush to get them...