>> slahi: yes.liams: guantanamo. >> slahi: guantanamo bay. >> williams: about 3,800 miles-- >> slahi: yes. >> williams: in that direction? >> slahi: i say, "goodbye. i hope never to see you again." >> williams: before we explain how slahi ended up in guantanamo in the first place, we'll tell you how a talent for languages helped him survive there. how much english did you speak when you landed in guantanamo? >> slahi: almost none. >> williams: in the office of his new apartment in mauritania, mohamedou slahi showed us how he learned english in guantanamo. he reads and writes his fourth language with some help from the u.s. navy. where did you get those glasses? >> slahi: these glasses i got from navy hospital in guantanamo bay. thank you, doctors. and they had choices. and i took the ugliest one. >> williams: you-- you chose the-- >> slahi: as a sign of protest. >> williams: he was his own teacher in guantanamo, soaking up new vocabulary wherever he could. >> slahi: i'm letting you now into my world

. >> mohamedou slahi was a sworn member of al qaeda and spent nearly 14 years as prisoner 760

holly williams interviewed former guantanamo prisoner mohammedou slahi. "a stunning report. us a comprehensive and in-depth insight into what really went on at guantanamo." but most of the comments were not favorable. "why didn't you contrast that 'one' misguided terrorist with another freed terrorist from guantanamo bay who... went back to his country and blew himself up with a suicide bomb?" "you cherry-picked one guy trying to make us look bad. why not report on the whole bunch at gitmo to get an accurate accounting of all those detained terrorists?" i'm bill whitaker. we'll be back next week with another edition of "60 minutes." and tomorrow, be sure to watch "cbs this morning." why pause a spontaneous moment? cialis for daily use treats ed and the urinary symptoms of bph. tell your doctor about your medicines, and ask if your heart is healthy enough for sex. do not take cialis if you take nitrates for chest pain, or adempas® for pulmonary hypertension, as this may cause an unsafe drop in blood pressure. do not drink alcohol in excess. to avoid long-term injury, get medi