As Giffords continues to recover from gunshot wounds suffered in January, Democrats and independents have very favorable views of the third-term Congresswomen, and she also has a net-positive rating among Republicans.
Among 623 registered voters surveyed last week, Giffords led 48 percent to 41 percent against Flake, who is already running.
And in the long-shot chance former Alaska Gov. Sarah Palin (R) moves to Arizona and runs for Senate, she trailed Giffords 54 percent to 36 percent.
Former Sen. Scott Brown, R-Mass., candidate for U.S. Senate in New Hampshire, holds his hand over his heart during the singing of the national anthem as he waits to take the stage for his town hall campaign rally with Sen. John McCain at the Pinkerton Academy in Derry, N.H., on Monday, Aug. 18, 2014.