i'm thuy vu. coming up, thousands of people convicted of marijuana related offenses in san francisco are cheering a decision by the district attorney to c criminal and we'll talk with a california activist who attended president trump's state of the union address. he represents undocumented black immigrants. and we'll hear from lieutenant governor gavin newsom why voters should back him as california's next governor. earlier today, house republicans released a memo that alleges the justice department and fbi abused their surveillance powers. several democrats on the committee, including congressman adam schiff, are accusing congressman devin nunes of manipulating the contents of the classified memo. president trump allowed the release despite objections from the justice department and fbi. this morning, he accused the two agencies of politicizing the investigative process. joining me now with more on this latest twist is congressman eric slawwell from the east way. what is your reaction to the rel

i'm thuy vu. coming up, thousands of people convicted of marijuan related offenses in san francisco are o eering a decision by the district attorney criminal and we'll talk with a california tivist who attended president trump's state of the union address. he represents undocumented black immigrants. and we'll hear from lieutenant governor gavin newsom why voters should back him as california' next governor. earlier today, house republicans released aemo that alleges the justice department and fbi abused their surveillance powers. several democrats on the committee, including congressman adam schiff, are

i'm thuy vu. we begin with sports and concussions.played him in a film "concussion," it chronicled the fight to get the nfl to to traumatic brain

i'm thuy vu. we begin with sports and concussions. actor will smith played him in a film "concussion," it chronicled the fight to get the nfl to to traumatic brain athletes who have sustained repeated wloes to the head and he's written a book for parents who struggle with allowing the children to play. joining me now is the author of "brain damage in contact sports," dr. bennett amalu. >> thank you for having >> the winter olympics are under way. sports are on a lot of people's minds. what should parents of children under 18 know about contact sports? >> well,it's always been my position knowing what i know that no child the age of 18 should play the high mpt, high contact sports. the big six are american football, ice hockey, mixed martial arts, boxing, wrestling, and rugby. in these games, in every play, your child suffers wl s blows t h id. there no safe blow to the head. repeated blows to the head brain damage. if your child plays football, even after just one sean, your child has sufferedir versible, irrepairabl the brain does no

thuy vu. thank you for robert: indictments in the russia probe and par alsills in r shington on control. i'm robert costa. 17 americans gunned down in florida. another week where leaders face the question, what now? tonight on "washington week." president trump: today i speak nation in grief. robert: in the wake of another mass shooting, an emotionally charged debate. >> can you tell us when the house may muster the courage to take up the issue of gun violence? robert democrats demand action. some republicans say tougher laws would not have prevented the massacre. >> the struggle up tohis point has been that most of the proflingse enthusiasti offered would not have prevented not just yesterday's tragedy b

thuy vu. thank you for captioning sponsored by wnet >> sreenivasan: on this edition for sunday, february 18: calls for gun control get louder after the florida school shooting as new details emerge about the suect. president trump takes to twitter to respond to the latest in the russia investigation. and five months after hurricane maria, many puerto ricans are living in limbo on the mainland. next on pbs newshour weekend. >> "pbs newshour weekend" is made possibld by: bernd irene schwartz. the cheryl and philip milstein family. i.e and edgar wachenheim, dr. p. roy vagelos and diana t. vagelos. the j.p.b. foundation. the anderson family fund. rosalind p. walter barbara hope zuckerberg. corporate funding is provided by mutual of a

i'm thuy vu.oming up,n thou of people convicted of marijuana related offenses insan francisco are cheering a decision by the district attorney to c criminal and we'll talk with a california activist who attended president trump's state of the union address. he represents undocumented black immigrants. and we'll hear from lieutenant governor gavin newsom why vote should back him as california's next governor. earlier today, house republicand rele memo that alleges the justice department and fbi abused their surveillance powers. several democrats on the committee, including congressman adam schiff, are

i'm thuy vu. we begin with sports and concussions.ill smithlayed him in a film oncussion," it chronicled the fight to get the nfl to to traumatic brain