Why May 20th? That's the day that Politico's David Kuhn is saying Barack Obama will declare himself the nominee of the Democratic party for president.Meanwhile, the other train on the same track - the Hillary Express to Nowhere - will almost certainly dispute that claim by Obama thus setting up a scrumpdedelicious scenario with Obama boasting, Hillary whining, and Democrats across the country at each other's throats:Not long after the polls close in the May 20 Kentucky and Oregon primaries, Barack Obama plans to declare victory in his bid for the Democratic presidential nomination. And, until at least May 31 and perhaps longer, Hillary Clinton's campaign plans to dispute it. It's a train wreck waiting to happen, with one candidate claiming to be the nominee while the other vigorously denies it, all predicated on an argument over what exactly constitutes the finish line of the primary race. The Obama campaign agrees with the Democratic National Committee, which pegs a winning majority...(Read Full Post)