Battling biographies head to Toronto with high hopes

As a first-time film director, television comedian Jon Stewart pleads ignorance about the workings of the movie industry.

But as he heads to the Toronto International Film Festival this week, he shares many of the feelings of more seasoned directors: excitement, nausea and the hope that he has done justice to the man whose story he depicts in film.

The Daily Show host's film is Rosewater, the real-life story of journalist Maziar Bahari and his five months of torture and interrogation in an Iranian prison at the hands of a man who smells of rosewater.