They're not unicorns they're rhinos. All Republican Senators with F Liberty Scores (Conservative Review). Lisa Murkowski (AK)-R In Office Since 2002 Grade F 29%. Susan Collins (ME)-R In Office Since 1997 Grade F 20%. Shelley Moore Capito (WV)-R In Office Since 2015 Grade F 43%. Lindsey Graham (SC)-R In Office Since 2003 Grade F 43%. John Cornyn (TX