also from the nfl to the mit, talking to john urschel. he walked away to pursue a doctorate in mathematics. >> announcer: additional support has been provided by:. by contributions to your pbs station by viewers like you. >> welcome to the program, i am christiane amanpour in new york. pope francis brought great hope to catholics everywhere. shining a bright light. the sins that lurk in the shadows of the catholic church seem to be threatening his very own papacy. this germany today, details show 3,700 sexual abuse cases last month, reported implicated hundreds of priest. and we have seen the same allegations in chiles ireland, the netherlands, the philippine examines more. we need to be mindful of what it means to be a survivor of sexual abuse in the catholic abuse. >> as absolutely destroyed me. >> my children suffered. my wife suffered. >> my dad find out, but he went crazy. >> i was very unaffectionate. i couldn't show any affection with my wife. >> i had no desire to have children, none because of this. >> heart rendering testimony.