NPR News Now covers the Luigi Mangione murder trial, where defense lawyers plan a psychiatric argument citing emotional duress. In politics, Mike Collins won the Georgia Senate primary, facing incumbent John Ossoff amid accusations of bigotry. A Harvard report highlights worsening U.S. housing affordability due to high costs and debt. Additionally, Senator Tom Cotton confirms Jay Clayton’s intelligence director hearing will proceed, and a new study shows lifestyle changes in one’s 50s significantly reduce chronic disease risk later in life.