Florida Rep. Matt Gaetz, sporting a white and gold “Caucus Captain” hat, beamed as he marveled about the charming nature of the Iowa caucuses. Georgia Rep. Marjorie Taylor Greene was all smiles as she talked to a conservative media host. Texas Rep. Ronny Jackson mingled with guests at the Iowa Events Center. They were all awaiting Donald Trump’s victory speech Monday night – a moment of vindication for the former president’s earliest supporters, who had been in lockstep with him during his most precarious moments in his political career.