Ramanauskas v. United States, 526 F.3d 1111 (8th Cir. Jun. 2, 2008) (extradition to Lithuana to face drug charges not impermissible where United States Attorney General had agreed, in a plea agreement to a counterfeiting charge, not to bring charges based on the drug offenses in the United States; the plea agreement expressly stated that it did not apply to other proceedings, including extradition).