Column: 20 years after 9/11, sports reveals its limitations

FILE- In this Sept. 21, 2001, file photo, New York Mets catcher Mike Piazza wears the NYPD logo on his helmet as he takes the field in the top of the fifth inning against the Atlanta Braves in New York. (AP Photo/Mark Lennihan, File)

FILE - In this Friday, Sept. 3, 2021, file photo, Virginia Tech fans cheer as they wait for the start of the team's NCAA college football game against North Carolina in Blacksburg, Va. Now, in the grips of another seminal national tragedy, one that has produced a 9/11-like death toll many days over for the last year and a half, we're much more realistic about the role that sports can play in the recovery process. (Matt Gentry/The Roanoke Times via AP, File)

FILE- In this Sept. 21, 2001, file photo, New York Mets Mike Piazza rounds the bases on hitting a two-run home run in the eighth inning of a baseball game against the Atlanta Braves at Shea Stadium in New York. (AP Photo/Jeff Zelevansky)

FILE - In this Sept. 12, 2001, file photo, policemen stand guard near the site of the World Trade Center in New York. (AP Photo/Beth A. Keiser)

FILE - In this Friday, Sept. 21, 2001 file photo, Carol Gies, center, a wife of a missing firefighter, leans on son Ronnie as she is consoled by sons Bobbie, right, and Tommy, behind, during the ceremonies for the victims of the World Trade Center prior to the New York Mets game against the Atlanta Braves at Shea Stadium in New York. (AP Photo/Bill Kostroun, File)

FILE - In this July 31, 2021, file photo, Buffalo Bills wide receiver Cole Beasley (11) runs after a catch during NFL football practice in Orchard Park, N.Y. Now, in the grips of another seminal national tragedy, one that has produced a 9/11-like death toll many days over for the last year and a half, we're much more realistic about the role that sports can play in the recovery process. While most professional and college athletes have gotten vaccinated against COVID-19 — seizing on our best hope to end this scourge — there have been plenty of vocal holdouts who consider it an infringement on their freedom. (AP Photo/Joshua Bessex, File)

FILE - In this Sept. 21, 2001, file photo, Liza Minnelli belts out "New York, New York" during the seventh inning stretch as New York City policemen and firemen cheer her on during the New York Mets' baseball game against the Atlanta Braves at Shea Stadium In New York. (AP Photo/Bill Kostroun, File)

FILE - In this Dec. 1, 2001, file photo, the American flag flies with a background of Navy midshipmen during the national anthem at the 102nd Army Navy NCAA college football game in Philadelphia. (AP Photo/Chris Gardner, File)