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.

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