Robert Downey Jr. has completely re-written his life script. He went from good actor, who then got caught up in some drugs, and then re-birthed into a great actor after turning his life around. He certainly doesn't want to talk about things that are no longer relevant, so when Channel 4 News' Krishnan Guru-Murthy decided to shoot that question, RDJ walked out.

Watch the interview below. Jump to the 5:30 mark in the video: