As Much Help As They Can Stand
A savvy poliical insider writes in with this interpretation of Mark Dayton's retreat:
You're over-thinking the whole Dayton thing. He's just giving his 20+ DC employees the ability to take a paid-leave and come home to campaign for Wetterling & Kerry for the next 3 weeks. That's how the left does these things.
It's hard to say how much of Dayton's strange public profile is on account of his staff. But if it's the Mark Dayton magic he's offering Kerry and Wetterling, they may want to start lobbying for his brave, MacArthur-like return to DC as soon as possible.