Inane argument, comparing a Republican from a swing district (Giffords) with Republican Senators from Arizona ...
Not an inane argument. The district - which I live in - has no trouble with someone voting conservative. The Democrats who have won in the district did so after bitter GOP primaries that saw the GOPE attacking the conservative Republican. When the GOP withholds funding from conservative candidates in the district, after spending money to get liberal ones thru the primary, THEN the democrat wins.