Grass v. Gonzales, __ F.3d __ (8th Cir. Aug. 12, 2005) (no jurisdiction exists under 8 U.S.C. 1252(a)(2)(D) to review Immigration Judge's purely discretionary decision to deny continuance of a removal hearing, unless that ruling results in such procedural unfairness as to implicate due process).
http://caselaw.lp.findlaw.com/data2/circs/8th/041115p.pdf