How come Americans cannot see through scammers like . . . . Donald Trump? Some of us want to credit his wacky self-infatuation as the very source of his wisdom and wealth—“I make great deals.” “I’ll repeal and replace Obamacare my first day in office.” Others believe great wealth itself is testimony to having smarts and virtue. But we need to take clues from our writers, who have been at the task of unmasking frauds for sometime now—which is maybe why Trump wants to shut down