How much is your immunity waning?

We know that the effectiveness of vaccines appears to be dipping. But we don't know how much yet — or when it will become a big problem. POLITICO's Sarah Owermohle reports. Plus, a group of progressive lawmakers call for Biden to Dump Jerome Powell as Fed chair. And the US is dropped from the EU's safe travel list.Sarah Owermohle is a health reporter for POLITICO.Jeremy Siegel is a host for POLITICO Dispatch.Irene Noguchi is the executive producer of POLITICO audio.Jenny Ament is the senior producer of POLITICO audio.Raghu Manavalan is a senior editor for POLITICO audio.Subscribe to the POLITICO Pulse newsletter. Learn more about your ad choices. Visit megaphone.fm/adchoices