President George W. Bush visited Ground Zero just days after the 9/11 terror attacks. He stood atop the World Trade Center rubble and delivered an impromptu speech that would comfort first responders at the scene and unite Americans. In Fox Nation’s "I Can Hear You," host Martha MacCallum sits down with members of the team that accompanied the president to New York on that day and witnessed what would become known as the "bullhorn moment." Before the 43rd president made his way to the Big Apple, it was of high importance to allow first responders to continue rescue efforts without...