FILE - In this June 3, 2016, file photo, Sen. John McCain, R-Ariz., greets the audience as he arrives to deliver his speech titled "America's Enduring Commitment to Security and Prosperity in Asia" at the S. Rajaratnam School of International Studies (RSIS) Distinguished Public Lecture in Singapore. Democratic Rep. U.S. Ann Kirkpatrick and McCain face off Monday, Oct. 10, in their only debate before next month's general election. (AP Photo/Wong Maye-E, File)
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