NPR News Now covers President Trump’s threats against Oman amid stalled Iran ceasefire talks and the ongoing investigation into Nolan Wells’ death, with the NAACP demanding transparency. The episode also reports on the rested prosecution in Lindsay Clancy’s trial, Luigi Mangione’s postponed state murder case, and record-high kindergarten vaccine exemptions. Additionally, it highlights historic low water levels at Lake Powell and Lake Mead, alongside deadly flooding in the Midwest and Mid-Atlantic.