premises in a locked storage locker. Salzer had claimed the trailer as exempt, and he charges that Stinson’s actions violated the automatic stay. Salzer’s claim is meritless. Under the Bankruptcy Code, an entity in possession, custody, or control of property that the trustee is entitled to possess, including property that the debtor may exempt, must turn that property over to the trustee. 11 U.S.C. § 542(a). Salzer asserts that he had a key to the leasehold premises and complete access to it through April 1, 1993. From this, Salzer deduces, without citation to any authority, that Stinson was not in possession of the trailer at the time he put it in the locker. (App.Br. at 10-11). This argument is waived. See Varhol v. National R.R. Passenger Corp., 909 F.2d 1557, 1566 (7th Cir.1990) (<HOLDING>). Notwithstanding the waiver, when Salzer’s
holding that an issue is waived when a party fails to provide adequate citation to authority holding that the defendants contention was waived because it was supported neither by cogent argument nor citation to authority holding that a claim is waived on appeal when not supported by citation to relevant authority holding that a claim that sovereign immunity has been waived is itself waived if not argued on appeal holding that an issue not raised on appeal is waived