do they work at all? yes. i interviewed the doctor last week about this, too. he made the same point. masks are very limited. are people wearing them properly? are they hanging off their face? cloth masks may be 20% for a short period of time. the n-95s work. i wear an n-95 in the office. you won't get a 3-year-old to wear that. i can barely keep it on my face. >> dana: i feel like it is covering my entire face. this just in and we wanted to ask you about this. new york city is expected to require proof of vaccination for indoor dining and fitness centers. so that is just in. mayor deblasio plans to announce it on tuesday morning. new york city requiring proof of vaccination for people participating in indoor activities including restaurants, gyms and performances i imagine that includes broadway and concerts. your thoughts on that. >> i'm not opposed to businesses having something that makes them feel comfortable. coming from the government