OTTAWA — The head of PrideVision TV, Canada's gay-television channel, is caught in a bitter divorce battle with his ex-wife that could cost him control of the network. Twelve years ago, Bill Craig was a onetime CRTC staffer turned entrepreneur who lived with his wife and two children. Now, after setting up successful businesses in Bermuda, and a failed webcaster in Canada, he's in a seven-year-long same-sex relationship and is trying to rebuild the gay-TV channel he runs. But this week, a $1.4-million debt owed to his ex-wife, Sally Craig, as part of their divorce settlement caught up with him....