I'd say Murkowski, Collins, Kirk, Sandoval, Huntsman would qualify as moderates. Most others run the gamut from conservative (ex: Christie, Martinez) to very conservative (ex: Boehner, McConnell) to far-right (Cruz, Lee) to clinically insane (ex: Bachmann, Gohmert)
This-ish. Everyone is anywhere left of center is a Democrat now. According to the CNN US exit poll in 2012 33% of Mitt Romney voters said that they wanted abortion to be legal all or most of the time. Only 18% of Obama '12 voters said the opposite.
