"Occasionally, he would voice frustration with U.S. policies," noted the Washington Post of Walter Kendall Myers, the aging New Leftist recently arrested with his wife, Gwendolyn, on charges of spying for Cuba. "But to his liberal neighbors in Northwest D.C.," the story continued, "it was nothing out of the ordinary. 'We were all appalled by the Bush years,' one said." In this account and others, the Myerses seem less like shady characters out of a spy novel than like some of the more adamant residents of the leafy, left-of-center New York suburb where I live. They, too, as the Post...