REPUBLIC OF TURKEY Plaintiff, v. CHRISTIE’S INC. and MICHAEL STEINHARDT, Defendants, ANATOLIAN MARBLE FEMALE IDOL OF KILIYA TYPE, Defendant-in-rem, JOHN POE, Intervenor. CHRISTIE’S INC.’S AND MICHAEL STEINHARDT’S MEMORANDUM OF LAW IN SUPPORT OF THEIR MOTION TO DISMISS PLAINTIFF’S SECOND AMENDED COMPLAINT PURSUANT TO FED. R. CIV. P. 12(b)(6)