WHAT’S AHEADFrom the Sunday showshttp://tpmdc.talkingpointsmemo.com/2009/11/ben-nelson-if-bill-isnt-improved-i-wont-vote-to-get-it-off-the-floor.phpBen Nelson: If Bill Isn't Improved, I Won't Vote to Get It Off The FloorAppearing on This Week, Sen. Ben Nelson, made clear that his vote last night to proceed with debate on the health bill was contingent on being able to amend the bill in the next