at 6:00 p.m. eastern a speech by the south korean president as he makes his first official trip to the u.s. the five on c-span. >> sunday on q&a. >> in 1962 after nixon's press conference he would win a 49 state landslide and then it all came apart. reporter: pat buchanan served as a speech writer and senior advisor to president nixon and discusses his book nixon's white house wars. the battles that made and broke president and divided america forever. i wrote him a memo saying you need to keep the dean tapes i

said take the rest out and burn it and shut down the special prosecutor's office now before grows into a monster nixon had called them in and entertain this idea that they should earn the tapes and they said it would be instruction of justice. i didn't recommend learning subpoena tape, it was executive privilege that existed and everybody knew it because they were his tape. if he simply got rid of them and said in effect, impeach and be damned, i think he would've moved right through it. president nixon said, in his memoirs, if you have burned the tapes as i urged him to do he would've survived. i think that's right.

they worked on the defense authorization bill line by line during a 14 hour markup. here is some of it including debate on government spending and properties owned by the president. transgender policy in the military in the prosecution of sexual assault. this portion is one hour 15 minutes. >> i have an amendment to adjust. >> clerk will distribute the amendment. it is considered red and she is recognized for five minutes. >> thank you. this is an issue that many of you have heard me speak about many times before. this is sexual assault in the military where some 15000 men and women each year are sexually assaulted. only about 5000 actually reported. of those, only 500 go to court-martial and of those only 250 are actually sentenced. most recently, i was at our