Both Global and CTV's I find tends to do a decent job covering both sides. CBC's leans pretty strongly to the left. We don't have a lot of strongly right leaning TV outlets in Canada, but I wouldn't encourage paying publically for the Sun or National Post either.
Global is rather conservative biased. I do find CTV to do pretty reasonably, and have some decent talent, but still I'd rather have a publicly funded organization that doesn't have to worry about ratings.