I know Chris personally (his son was one of my best friends, have Chris' number in my phone, did some work for him this summer). He's a fantastic coach, extremely hard worker, and a incredible guy. Great family.
I asked him when I saw him this summer if he'd ever consider coming back to the states. I know he's got two girls growing up right now.
He said he would definitely have to think about it if the right opportunity came up. But he also told me that since he's been in the CFL so long, he's pretty used to and comfortable with that game, and he's worked his way to the top, as he's now the GM VP of Football Operations and Head Coach of The Roughriders.
They literally just opened a new stadium, and he's taken them from 5-13 last year (his first year) to already 8-6 this year.
I love Chris, and would LOVE to see him as coach down here. But I don't think it'll ever happen. He's kind of solidified his niche in the Canadian game, and seems really happy there.
If you remember, he was the one who signed Vince Young this summer. Hate that experiment didn't work out.
Either way, Chris is definitely a great coach. May not ever try his hand at NCAA coaching (did some GA work at Alabama and Tennessee Tech I think), but definitely has brought himself some solid success in the Canadian game.