Barack Obama's remarks during Joint Press Conference with Italy's Prime Minister Matteo Renzi in East Room of the White House, Washington, D.C., obamawhitehouse.archives.gov. April 17, 2015.
"Breaking the Sound Barrier: Third-Party Candidates Ralph Nader & Cynthia McKinney Respond to Final McCain-Obama Debate". "Democracy Now!" with Juan Gonzalez and Amy Goodman, www.democracynow.org. October 16, 2008.