i m sorry it happened. i m so sorry. o donnell: schools on alert: how unspecified threats of violence on tiktok force some to cancel classes. america s education system is under attack right now. o donnell: paid family leave: tonight, meet the small-business owner giving paid family leave to all her employees. but she s the exception, not the rule. why that s pushing american mothers out of the workforce. tiger woods tees it high and lets it fly. plus the incredible putt from his 12-year-old son, charlie. and on the road, with the story of a mother s grief that you won t soon forget. this is the cbs evening news with norah o donnell reporting from the nation s capital. o donnell: good evening to our viewers in the west, and thank you for joining us. well, what is supposed to be the most wonderful time of the year has become a season of worry for many americans, with the u.s. facing what might be the most severe wave yet of covid infections. in fact, that wave