and it's dangerous, hallie and i hope that look, there will be people like de blasio going to stand there and say bring it on. we're going to defeat any efforts to undermine the vaccine mandate and they should do that. it becomes a political question, however, but at the end of the day, we have to solve this public health crisis with whatever politics or public health messages need to be out there. >> dr. irwin redlener, we appreciate you talking through what is developing this morning in new york city and go into effect later this month initially enforcement beginning on september 13th. thank you, dr. redlener, appreciate it. we'll talk about this more later in the show. a number of other stories in the last couple hours, new reporting former president donald trump will let doj officials testify in front of congress. the reporter who broke that story joins us next.