can an experimental pfizer treatment cut hospitalizations and deaths by nearly 90%? aaron rodgers speaks out. why he says he didn t get vaccinated. national day at the ahmaud arbery murder trial. his mother gasps at graphic videos of her son being chased down by three white men who say they assumed he had committed a crime. guns in america: our 60 minutes report on a new missouri law called the second amendment preservation act. andve hartman s on the road, with a high-flying, age-defying poll vaulter. this is the cbs evening news with norah o donnell, reporting from the nation s capital. o donnell: good evening, and thank you for joining us. we re going to begin with late-breaking details on what has been a busy day of negotiations here in washington. at stake, president biden s ambitious legislative agenda