David Frum: Iran War Is Based on Trump’s Whim

President Trump's strikes on Iran evoke memories of George W. Bush's war in Iraq. David Frum, a former special assistant to Bush, played a key messaging role in the Iraq conflict, coming up with the famous term "Axis of Evil." A Trump critic, Frum says the Iran war could empower what he describes as an untrustworthy president with a contempt for the law. Frum joins the show.