Former Massachusetts Gov. Mitt Romney's (R) presidential campaign released this video Sunday of Sen. John McCainJohn McCainMcCain ‘very concerned’ about Tillerson US democracy is in crisis. Trump voters must help us get past it. The rise of Carlson, and the fall of Van Susteren MORE (R-Ariz.) campaigning for Romney in the 2002 Massachusetts gubernatorial race.

McCain, introducing Romney at a 2002 campaign event, says Romney is a man of "unimpeachable integrity," that he is proud to be in Romney's company, and that he is committed to Romney's race. McCain's comments draw applause and laughter from Romney's supporters.