"Breakthrough Alzheimer's Drug, Ukraine Cluster Bombs, and Tap Water Chemicals: A Briefing"

The Biden administration plans to send cluster munitions to Ukraine despite human rights concerns, as they could be valuable in breaking through Russian lines; the FDA has given full approval to Leqembi, the first drug shown to slow down Alzheimer's disease, making it widely accessible for seniors; progressive voters and activists are urging President Biden to fulfill more campaign promises; NPR's international correspondent reflects on the deteriorating relationship between the US and China; and a government study estimates that nearly half of tap water in the US could contain PFAS "forever chemicals."