Bosede v. Mukasey, 512 F.3d 946, ___ (7th Cir. Jan. 14, 2008) ("And to avoid repetition of the same mistakes the third time around, we urge the agency to refer this case to a different immigration judge."), citing Niam v. Ashcroft, 354 F.3d 652, 660 (7th Cir. 2004).