“I came to the United States from Mexico when I was 17 years old. The whole country of Mexico is very poor, so we came to the U.S. to have a better life and a better education.
"In a cozy sunlit room decorated with flower collages on the ground floor at Queens Community House, a sprawling housing complex in the lower-middle-class neighborhood of Forest Hills, a few dozen elders, ranging in age from about 60 to 80 syncopate at their own pace with the brawny aerobics inst