Jacob Rees-Mogg was one of the launch presenters of 5 News.
Not that far fetched when you consider Michael Gove (who is still a journalist of course) co-presented a late night satire show with David Baddiel
Austin Mitchell (Yorkshire Television, 1969-77)
Jonathan Aitkin was also a reporter at Yorkshire for the first couple of years, according to Wikipedia he was the first person on the station
Anna Soubry and Ben Bradshaw were also broadcast journalists before moving in to politics.
Though Anna Soubury's media career was best known (outside the Midlands at least)for her slot reviewing the weeks soap operas on This Morning