Venezuelan President Nicolás Maduro on Saturday invoked John Lennon's peace anthem Imagine during a rally with supporters. "Peace, peace, peace. Do everything for peace, as John Lennon used to say," Maduro told the crowd, before singing a few words of the iconic song. It comes as the U.S. stationed its most advanced aircraft carrier near Venezuela in an escalating show of force. »»» Subscribe to CBC News to watch more videos: http://bit.ly/1RreYWS For breaking news, video, audio and in-depth