https://apnews.com/c223e59e7984982a44c5bf2810cada8d > 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 show unfolded.