A man uses his phone to film a screen outside a mall showing a live broadcast of the fireworks explode over the iconic Bird's Nest Stadium during the closing ceremony of the 2022 Winter Olympics, in Beijing, Sunday, Feb. 20, 2022. (AP Photo/Andy Wong) The Associated Press By TED ANTHONY, AP National Writer BEIJING (AP) — The smartphones glowed. The irony echoed. As part of the closing ceremony Sunday night for the most locked-down and sequestered Olympics in human history, a carefully curated crowd packed — well, dotted, really — the famed Bird's Nest stadium as a warm and humanistic...