The following list of Senators are all people that simply referenced their previous statements on the matter.

Mitch McConnell
Mike Braun
Marco Rubio
Shelley Capito
John Kennedy
Mike Lee
David Perdue
Ben Sasse
Martha McSally
Mitt Romney
Susan Collins
John Cornyn
Ted Cruz 
John Boozman
Marsha Blackburn
Steve Daines
Kevin Cramer
Lamar Alexander
Rick Scott