There is a high-level meeting of 49 superdelegates going on behind closed doors right now.It's the weekly party policy luncheon in the US Senate. And while there are a number of important legislative topics on the agenda (the war supplemental, a gas prices control bill, the farm bill and more) you can bet that last night's returns from Indiana and North Carolina are being discussed as senators queue up in the buffet line. Going into the lunch, reporters asked senators for their assessments. On his way to lunch, Sen. Teddy Kennedy, D-Mass, one of Sen. Barack Obama's, D-Ill., high...