David Plouffe, who is no longer a member of Mr. Obama's staff, told "CBS' "The Early Show" Wednesday, he was disappointed but not surprised that the Democrats lost the late Sen. Edward Kennedy's senate seat in Massachusetts Tuesday.
Plouffe noted that Democrats took control of Congress in the 2008 election on a message of change. "We have to deliver on that," he said.
"We as a Democratic party have to step up and lead here."
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