The 42nd Toronto International Film Festival concludes this weekend. Toronto has been the home of big titles for the past two decades, ramping up from a local festival at its inception to becoming the dominant film festival in North America—the other key festival in North America being Sundance -- and one of the three or four key debut festivals in the world. Think American Beauty some 18 years ago and Moonlight last year. That achievement reflects how the business model has changed over the