Prosecutors played audio and video clips Monday of Roger Clemens making a host of statements to congressional investigators that the government will try to establish were lies. "I haven't done steroids or growth hormone," Clemens says on his 2008 congressional deposition."

Prime Minister Stephen Harper has dismissed a question about whether his government lied about what it would cost to own a fleet of F-35 fighter jets, arguing it always provided the acquisition cost, despite repeated demands for operational costs.