before he died, lawrence wright asked him about the study. >> have be therein ethical questions raisedthis study? >> yes, there were questions raised by a number of people. >> i don't think he ever really acknowledged the damage that they might have done to the twins themselves. that they had been deprived of their relationship their entire lives, by scientists who wanted to study them. >> the requirement that scientists get the informed consent of anyone subjected to human research would not become law until 1974. would be illegal. doneoday >> but i the1960s, the doctors involved in separating and studying the twins had to have known that if the public found out what they were doing, the consequences could be explosive. neubauer talks about the reaction he got when he tried to convince another adoption agency to separate twins for his study. >> and she said, how can you separate what god has united and put together? how can you do that? and i said to her, but you are in the field of adoption. you separate mother and child all the time. >> this research may contain amazing discoveries

wright. (grant) app safety. the games your kids are playing that could be giving away their location and private information. (lawrence weather) (gary sports tease) tonight draft this evening..best part of the evening getting to see moms..dads..siblings see their lives in most cases..courtesy of the well earned power of these young basketball players..three things stood out to me.the onlty player to lead college basketball in scoring and assists tre young ended up number 5 overall in atlanta....the hawks have been losing...their attendance way way down....they are hopeing and praying that yung inded can turn into steph curry....he does have tremendous ranger but like curry coming out of college so called experts question his size at 6'1 and his sgrength.....pressure will be on this kid to sell tickets. what started out as maybe the feel good story of the night..villanovas mikal bridges.was drafted by the 76ers..the franchise the 76ers..the franchise which employs his mom in human resorces..at our house watch....the sweetness of this story jumped out to my wife..daughter and even myself...but then a half houe later..br

wright, thank you so much for calling in today. >>> that brings this hour to a close for me. please remember to catch "kasie dc" sundays. tonight chris hayes and lawrence and stephanie rule will be live from texas reporting on the separation of families at the border. watch at 8:00 p.m. eastern. and lawrence o'donnell live from brownsville at 10:00 p.m. eastern. "deadline" with nicole wallace starts right now. ♪ >>> hi, everyone. it's 4:00 in washington, d.c. we are just over an hour away from what's expected to be an explosive meeting between the president and congressional republicans, who are typically happy to follow donald trump on his misguided policy choices and to stay mostly silent on this unpresidential conduct, but who today, today, are finally trying to pump the brakes on his zero tolerance immigration policy, one that's left thousands of children suffering in detention centers along the border. trump's own party panicking in the face of the political blowback, underscored this morning by criticism from the wall street