To the editor: Last month, a few days after the 150th anniversary of Karl Marx's Capital, President Trump embarrassed himself in a speech to the United Nations. World leaders laughed after he made ignorant remarks about socialism, and its supposedly universal track record of "poverty and misery." How do we begin to set the record straight? What Trump failed to grasp is that there is no single economic program called socialism. And, of the many different socialisms, the track record ranges from horrific failure to smashing success.