On a sunny July morning in Manhattan, Donald Trump Jr.; his fiancée, former Fox News host Kimberly Guilfoyle; and former Mike Pence chief of staff Nick Ayers stood on the balcony of the New York Stock Exchange, beaming down at the trading floor below. With them were a pair of less familiar faces: Michael Seifert, CEO of the conservative “America-first” marketplace PublicSq., and financier Omeed Malik, whose company, Colombier Acquisition Corp., had just merged with Seifert’s. That morning, their