Gordon Parks, Untitled, Harlem, New York, 1963

The Jack Shaiman Gallery’s decision to split its “Gordon Parks: Half and the Whole” exhibit in NYC made some sense. The West 24th Street location was given over to his potent images of social-justice protest — crowds holding signs and newspaper headlines about Blacks killed by police that could (and do) halo protests today, raised hands, a young Martin Luther King, Jr. and Malcolm X each sharp as a powerful idea, Muhammad Ali ready to fight in multiple rings. And…