I confess I don't know whether there is room in this world for Howard Dean to be in a cabinet that reports to Rahm Emanuel. I know that Gov. Phil Bredesen of Tennessee is a top candidate. That said, the former Vermont governor, DNC chair, NGA chair, health care expert and presidential candidate has some momentum tonight.  Sen. Tom Harkin, who has discussed the job with the White House, has publicly endorsed Dean, as has the influential House member Raul Grijalva, who wrote the following letter to Obama.  GrijalvaLetter.pdf