Vaccine Safety, DNAir, Watercress

How worried should we be about the federal government’s decision to put the brakes on the Johnson and Johnson COVID vaccine? Also, why researchers are excited about being able to extract and identify human and animal DNA floating around in the air. Then, a children’s picture book based on a real-life memory of growing up Chinese-American provides an opening for understanding. Also on today's show: the happiness we’ve lost in the pandemic by not chatting with casual acquaintances, which Cold War spy movies include some nuance, and what the sports cuts in our country's colleges could mean for America’s Olympic aspirations.