TORONTO - Fresh off its recent regulatory win allowing longer-form programming instead of a straight wheel of news, CTV Newsnet has announced its first full hour show. Countdown: With Mike Duffy is back. CTV Newsnet announced Friday it has added the popular and timely series to its prime-time schedule. Unlike its previous incarnation in which the series aired as a prelude to last year's Federal Election, CTV Newsnet confirmed that Countdown: With Mike Duffy will be a permanent addition to the line-up. Each live, one-hour program will air weeknights at 8 p.m. ET, repeating at 11 p.m. ET, beginning Monday,...