§ 2680(a). Courts have found both exceptions are “in- tended to preserve immunity for ‘decisions grounded in social, economic, and political policy”” Marchisella v. Gov't of Japan, No. 02 Civ. 100238(DC), 2004 WL 307248, at *2 (S.D.N.Y. Feb. 17, 2004) (citing United States v. S.A. Empresa de Viacao Aerea Rio G

ption, ‘acts which are performed at the planning level of government, as opposed to those at the operational level, are protected by the immunity.’ ” Marchisella v. Gov't of Japan, No. 02 Civ. 10023(DC), 2004 WL 307248, at *2 (S.D.N.Y. Feb.17, 2004) (quoting Napolitano vy. Tishman Constr. Corp., No. 96 Civ. 44