Oh yeah - absolutely I've been rooting for Jesse more than Waltfor ages. Also, Walt vs Hank? Is that confirmed? The only way I could see that being set up is if some evidence is found at either the explosion in the care home or the lab.
Logically Walt will surely get out of the game at this point. He should run the car wash, keep his family healthy and safe. I guess there is the possibility he sees the opportunity to set himself as the "neo-Gus", but that seems like a far bigger arc than one final seasonworth, unless the season ends with him literally being Neo-Gus and then the cancer gets him, with the entire show then being Walt's descent of character and rise in power before ultimately showing how meaningless that money and power is. Maybe a final scene where he laments the affect on his family and happiness. Iunno something.
Regardless I trust the writers implictly, so I'm sure it'll be great.
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*nods sagely*