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Trump Takes ‘Thank-You Tour’ to Wealthy Donor’s Costume Ball

  • President-elect pays respects to billionaire Robert Mercer
  • Trump comes as himself at ‘Villains and Heroes’ gathering
Kellyanne Conway, campaign manager for President-elect Donald Trump, smiles as she arrives for a party at the home of Robert Mercer on Dec. 3, 2016, in Head of the Harbor, New York.

Kellyanne Conway, campaign manager for President-elect Donald Trump, smiles as she arrives for a party at the home of Robert Mercer on Dec. 3, 2016, in Head of the Harbor, New York.

Photographer: Evan Vucci/AP
Updated on

President-elect Donald Trump took a break from the blue-collar Midwestern rallies of his “thank-you tour” of the U.S. to pay his respects to a different demographic: the family of a wealthy donor who spent millions supporting his campaign.

Trump on Saturday attended a lavish costume party on the North Shore of Long Island hosted by hedge-fund manager Robert Mercer, the co-chief executive officer of Renaissance Technologies. In August, Mercer’s daughter and political adviser, Rebekah Mercer, helped install her aides at the top of the Trump campaign, and her influence within has grown since then. Politico recently dubbed her "the most powerful woman in GOP politics."