LLS
The Obama's get an early retirement to their estate in Hawaii. Biden picks Hillary as his Veep. Come '16, the 'Rats now get to run Biden (or Hillary, should Biden "take ill") as an incumbent.
Other than as a source for fundraising, Obama's lame-duck status means he is useless to the Marxist movement post-2016, so they may be plotting a scenario that continues their move 'forward'.
I'll take my tinfoil hat off now!