united states. i m not running for president to be somebody i ve already been a governor of virginia i ve been somebody. i m running for president of the united states to do something for the country. all right. governor good to have you on the program. we ll be watching. thanks so much. thank you, maria. we appreciate it. in fact debates can make or break candidates as they stand in the glare of the spotlight. let s take a look at some of those historic moments. fox news s senior correspondent eric shaw has a look at that angle. good morning to you. good morning maria. good morning, everyone. it will be the political ee give ent of the rumble and jumble. only one line could be the triumph or torpedo in a presidential campaign. can you turn that microphone off? you asked me i am paying for this microphone. 1980 ronald regan s defined outburst making such moments in debates unpredictable and potentially campaign changing.