Here: Perhaps the most significant shift came from three of the bill’s Republican architects: Sens. Jon Kyl (Ariz.), Lindsey O. Graham (S.C.) and Mel Martinez (Fla.)….Yesterday, the three senators added a provision that would force illegal immigrants to return to their home countries to apply for Z Visas, not just their green cards. With the architects of the bill behind it, supporters predicted that the amendment would pass easily.