They can pass anything they want.
The Senate is where it stops......................
What makes you think that?
Add Romney to Graham, Rubio, Alexander, Murkowsky, Hoeven, Kyl (who supported the 2006 & 2007 amnesty attempts), and how many other Bush League Republicans they need and they get 60 easily.
Tillis, Burr, Lankford, Gardner, Cornyn, Cochran, Collins, Sasse, Kennedy, Shelby, Ernst, Blunt, McConnell, Wicker, Portman, Isakson, Johnson, Toomey, Rounds, Thune, Gaines, Barasso and Enzi are all Bush League Republicans.