One usually considers McSally a Cheap Labor Express Republican like McCain and Flake.
One might want to consider her record as rated by these groups before one says that:
http://votesmart.org/candidate/evaluations/137299/martha-mcsally#.WPouFbgm9Zd
If you want to find a real sellout embarrassment that needs to go, look at red raul grijalva of boycott Arizona fame and now suing to block the wall..