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PPP Poll: John McCain Is The Least Popular Senator In The Country

AP Photo / Tobias Hase

In hypothetical 2016 reelection match-ups, McCain trails both former Surgeon General Richard Carmona, who ran against McCain's junior colleague Jeff Flake in 2012, and former Rep. Gabby Giffords.

The poll, conducted from Feb. 28 to March 2, surveyed 870 Arizona voters. It has a margin of error of 4.9 percentage points.