Woody Allen’s friendship with Jeffrey Epstein has been known for years, but emails in the huge trove of records released by the Justice Department illustrate that relationship in new depth.

But experts say those steps solve only part of the problem, and transit officials are studying more advanced methods that might someday automatically disinfect transit systems around the clock. The Moscow Metro and a public bus company in Shanghai have experimented with germ-killing ultraviolet light. All that cleaning does cut the threat of catching the virus, experts say, but the benefits are limited. New York's subway system normally serves more than 5 million riders a day, but ridership plunged more than 90 percent at the height of the pandemic. But I think this is the best of what weve got.Warren called far-UVC a great innovation but added that the logistical challenges of installing it across a century-old subway system are formidable.