I really don't understand the Leno hate. TV's a business and a cut-throat one at that. I don't think you should blame him for acting in his own interest throughout all of this. I mean I feel bad for Conan, he did get the shaft, but the way I see it NBC is to blame not Leno.
My Leno hate stems from the fact that he's not funny yet still (up until the time he left The Tonight Show) got good ratings.
And you're right - I posted the same thing after the Oprah interview. OF COURSE he would go back to the Tonight Show if it's such a dream of his. My problem is that his rationale is that he is saving the show and that Conan didn't get ratings - yet a HUGE part of the reason he didn't is because Leno gave him no lead-in.
Not only that, but it's impossible to like or respect a guy who keeps bending over and taking it from a company like that. They keep screwing him over and he keeps going back for more.