max kellerman, thanks so much.great weekend. >> appreciate it. >>> cnn in-depth all this week we are taking a close look at addiction in america. today a man with one of the biggest names in u.s. politics says at last he's found healing and peace. patrick kennedy is the son of a senator and nephew to a president. now he's building a life outside of washington. and he's very grateful. patrick kennedy. the name says it all. son of the late senator ted kennedy, nephew of senator robert kennedy, and president john f. kennedy. patrick kennedy was born into the american political dynasty. so it's no surprise he followed in the family foot steps. kennedy was 21 years old when he won his first election to the rhode island state house. his meteoric rise continued. >> you've got a fighter in me and i'm going to fight on your behalf. >> winning a seat in congress six years later, eventually serving eight terms in the house. kennedy was a leading voice on mental health issues. >> let's pass mental health parity. >> despite his