Rookie Congressional candidate Ruth McClung tried to ease the crowd over here at Republican HQ, saying: "We really are neck-and-neck, so I'll admit I'm very nervous. We're all here biting our nails together, or pulling our hair out."
She is currently about 700 votes behind Congressman Raul Grijalva, or less than 1 percent of the vote.
"Regardless of what happens tonight, I believe that we've shown America that there is not a safe district," she says.
Famous astronauts, including five moon-walkers and most Apollo astronauts, join Scott Carpenter, space shuttle astronauts and mission… More