Dr. Anthony Fauci predicted Sunday that mask-wearing could eventually become “seasonal” as protection against ailments like the flu that can also be spread through the air. He said Americans over the course of the pandemic have gotten used to wearing face coverings, which “diminishes respiratory diseases.” “We’ve had practically a non-existent flu season this year merely because people were doing the kinds of public health things that were directed predominantly against COVID-19,” Fauci, the country’s top infectious disease expert, said on NBC News’ “Meet the Press.” “So it is conceivable that as we go on, a year or two or...