At Roger Clemens' perjury trial, Brian McNamee, the key prosecution witness, testifies that the pitcher asked about steroids and said, 'I want to get really huge, I want to get strong.' A defense lawyer asks: 'Mr. McNamee, do you sometimes just make stuff up?'— Brian McNamee, the key prosecution witness in the Roger Clemens perjury trial, said he had never made up details about the pitcher's drug use, but that some of his memories of it had become clearer over time.