Solano-Chicas v. Gonzales, 440 F.3d 1050 (8th Cir. Mar. 17, 2006) (where BIA reverses an immigration judge's ruling granting cancellation of removal, the BIA has authority to order removal directly without remand to the IJ).
http://caselaw.lp.findlaw.com/data2/circs/8th/043373p.pdf