Key Points Senate Majority Leader John Thune, R-S.D., on Tuesday said he supported the SAVE America Act, but that there is not enough support in the Senate to change the filibuster and clear a path for the controversial bill. .The House is expected to vote this week on the legislation, which would require people to prove their citizenship to register to vote and show ID at the ballot box. .GOP hardliners have called for a return to the “standing filibuster,” which requires Congress members to be physically present and talking on the Senate floor to delay legislation.