Brandon Straka, a right-wing commentator, offered an unexpected assessment of Marjorie Taylor Greene at this year’s Conservative Political Action Conference. “A directive has gone out that Marjorie Taylor Greene is a traitor,” Mr. Straka told the CPAC crowd, referring to the former congresswoman from Georgia, who broke with President Trump last year after accusing him of drifting away from his “America First” promises. “And if you want to be part of the in crowd, it is mandatory that you must hate her, too.” Mr. Straka was rejecting that directive. From the main stage of CPAC, he gave his audience permission...