we will be streaming in more ways than one this weekend on cbsn bay area. alan martin is back on monday. have a captioning sponsored by cbs .>> o'donnell: tonight, movie set tragedy: actor alec baldwin fatally shoot a cinematographer and injures the director. all the new details and the big question tonight: how could something like this happen? the actor visibly shaken in new mexico. was it live ammunition in a prop gun that led to the deadly accident? the reaction from movie professionals. >> it's your worst nightmare. >> o'donnell: vaccines and children: a mini-pfizer dose for kids five and up. the new numbers about how effective it is. plus advice for adults on which covid booster combinations works best. abortion showdown: all eyes are on the supreme court as it agrees to hear a major challenge to the strict texas abortion law. educating our children: the massive investment in