Manchin Mishigas, Sinema Tsuris*
In the delicate 50-50 balance of the current US Senate, every Democrat vote is needed to pass legislation, and every Republican vote is needed to block it. As usual, the GOP is better at closing ranks than the Dems, but despite the potential Kingmaker/Spoiler role any member of the majority Party could choose to adopt, only two are playing that card: Joe Manchin of West Virginia and Kyrsten Sinema of Arizona.