Rebuttal of David Leonhardt's contention "masks work and mask mandates do not work"

Dr. Andrew Bostom interviewed by WPRO's Matt Allen 6/1/22 discussing David Leonhardt's 5/31/22, "Why Masks Work, but Mandates Haven’t" https://www.nytimes.com/2022/05/31/briefing/masks-mandates-us-covid.html