A degree too warm, or a room too bright, could render a COVID-19 vaccine ineffective at a time when shipment delays and shortages mean back-up doses are practically nonexistent. And CDC fails to answer a call from scientists requesting the agency to explain that COVID-19 is spread primarily by people inhaling small tiny virus tainted particles. Then, a new policy implemented by the San Diego Police Department sets parameters on how officers respond during demonstrations. Plus, as the Japanese Americans who experienced imprisonment get older, a California project wants to preserve their memories of what happened, while it's still possible. Finally, Fernando Tatis Jr.'s $340 million, 14-year contract was finalized Monday by the San Diego Padres, the longest deal in baseball history.