Clemens is fighting to keep such testimony out because he says it will create guilt by association, but prosecutors say it's important to establish McNamee's knowledge of drug use and credibility when Clemens accuses him of lying.
Clemens is fighting to keep such testimony out because he says it will create guilt by association, but prosecutors say it's important to establish McNamee's knowledge of drug use and credibility when Clemens accuses him of lying.
