JTA — On the first day of AmericaFest, Turning Point USA’s (TPUSA’s) convention in Phoenix, Ben Shapiro lit into a host of conservatives that he said were “frauds and grifters.” He listed Candace Owens, Tucker Carlson, Megyn Kelly and Steve Bannon as “charlatans who claim to speak in the name of principle but actually traffic in conspiracism and dishonesty.” Together, he said on Thursday, they presented a danger to the conservative movement. Shapiro was extending an assault that he began earlier in the week during a speech at the Heritage Foundation, a heart of conservatism that has been thrown into...