Atunnise v. Mukasey, 523 F.3d 830 (7th Cir. Apr. 30, 2008) (a K-visa [fiancee visa] is a nonimmigrant visa; nonimmigrant is ineligible for a waiver under INA 212(i), which applies only to intending immigrants; rejecting argument that K-visa is really an immigrant visa since all K-visa recipients intend to immigrate to the U.S.).