district, whiplash. just days before reopening, new york city announcing yet another delay for most students. >> we need to make sure there's the appropriate number of educators in each school. >> reporter: the mayor also citing a teacher shortage after another showdown with unions representing faculty and staff. >> i feel like the parents and the students are in between the mayor and the d.o.e. and i feel like we always are losing out. i mean, i understand that they're trying to make us safe, but we have to get into a routine. we need to move forward. >> reporter: some teachers are calling for more staff and ppe. at ps-532 in brooklyn, we met teacher sheri bailey last month as her school was getting ready to reopen. >> every day we have two jobs, to keep students safe and to keep them learning. and now safety is more important than ever. >> reporter: out west, some troubling news. wynn resorts in las vegas reporting nearly 500 workers tested positive for the virus since the hotel and casino reopened in june. the company says contact tracing found nearly all the cases were contracted outside of work. and in idaho, a pastor who told congregants they could go