Pickering v. Gonzales, 465 F.3d 263 (6th Cir. Oct. 4, 2006), vacating Matter of Pickering, 23 I. & N. Dec. 621 (BIA 2003) (where immigration court lacked sufficient record of documents on which criminal court based decision to vacate conviction, and government therefore failed to show by clear and convincing evidence that the criminal court had vacated the conviction solely to avoid immigration consequences, deportation proceedings ordered terminated without remand for consideration of additional evidence).