Michelle Obama is set to keynote her first fundraiser for the Democratic National Committee, another sign that the Obama camp and DNC are joining forces in preparation for a general election contest against a still-formidable Republican fundraising machine. DNC spokesperson Stacie Paxton confirms to me that she'll headline the event, which is likely to be a high-profile affair and is set for Thursday night at the Waldorf Astoria in New York. The event is also a sign that Michelle is emerging as a key fundraising draw and a key promoter of party unity in the wake of the primary. Michelle has already done events designed to win over potentially disaffected Hillary supporters. Others expected to speak at the dinner: New York First Lady Michelle Paterson and Providence Mayor David Cicilline. It's Michelle's first event with DNC chair Howard Dean, who will also speak and will introduce Michelle. ...