In the age of A.O.C., the lesson must be learned again. Conspicuous by its absence in much of the mainstream news coverage of Venezuela’s political crisis is the word “socialism.” Yes, every sensible observer agrees that Latin America’s once-richest country, sitting atop the world’s largest proven oil reserves, is an economic basket case, a humanitarian disaster, and a dictatorship whose demise cannot come soon enough. But … socialist? Perish the thought. ... the Venezuelan regime’s admirers used to speak of “21st century socialism,” as it was dubbed by Hugo Chávez. The late Venezuelan president, said Britain’s Jeremy Corbyn, “showed us...