In a TODAY show exclusive, Sens. Ted Kennedy and Barack Obama speak with Matt Lauer about the Kennedy endorsement....Kennedy parsed his support for Obama over long-time friend Sen. Hillary Clinton. “I have great respect for President Clinton and great respect for Senator Clinton,” Kennedy said, sitting alongside Obama. “But this race really isn’t about President Clinton. It’s a race of enormous importance and consequence for our country... Obama, meanwhile, was eager to reach new voters. “I have to make my case,” Obama told Lauer from Capitol Hill. “But obviously Ted Kennedy allows some people to listen who might not have...