president, this is houston, out. >> mellow, neil and buzz, i'm talking to you by telephone from the oval room at the white house. and this certainly has to be the most historic telephone call ever made from the white house. i just can't tell you how proud we all are of what you have done. for every american this has to be the proudest day of our lives. for eem all over the world, because of the what you have done, the heavens have become a part of man's world. and as you talk to us from the sea of tranquility is inspire us to redouble efforts to bring peace and tranquility to earth. dougway strikes you most about that moment in history? >> well when you play richard nixon he was cautious about apollo 11 because neil armstrong told me in an oral history interview i did he had a 50/50 chance the mission being successful. and nixon had william sapphire a