The bronze statue of Theodore Roosevelt, on horseback and flanked by a Native American man and an African man, which has presided over the entrance to the American Museum of Natural History in New York since 1940, is coming down. The decision, proposed by the museum and agreed to by New York City, which owns the building and property, came after years of objections from activists and at a time when the killing of George Floyd has initiated an urgent nationwide conversation about racism. For many, the “Equestrian” statue at the museum’s Central Park West entrance had come to symbolize...