Romero v. Holder, 568 F.3d 1054, 1062 (9th Cir. 2009) ("the facts underlying a conviction that would have been eligible for relief under the FFOA, but was expunged under a state rehabilitative statute, cannot serve as an admission of a drug offense, statutorily barring a finding of good moral character under 8 U.S.C. 1101(f)(3).").