As a child, Rob Sullivan watched his parents battle drug addiction and depression. Now a father himself, he’s struggling to break the cycle. The Times, in collaboration with the PBS series “Frontline,” tells the story. Subscribe on YouTube: bit.ly/U8Ys7n Read the story here: nyti.ms/2gM7wBe --------------------------------------------------------------- Want more from The New York Times? Watch more videos at: nytimes.com/video Facebook: www.facebook.com/nytvideo Twitter: twitter.com/nytvideo Instagram: instagram.com/nytvideo Whether it's reporting on conflicts abroad and political divisions at home, or covering the latest style trends and scientific developments, New York Times video journalists provide a revealing and unforgettable view of the world. It's all the news that's fit to watch. On YouTube. www.youtube.com/user/TheNewYorkTimes