r the United States and a potential lessor of a commercial building had in fact made a contract, stating that "tilhis court undoubtedly has power Skates Postal Seru, 671 F.2d 1041, f042, 1046 (7th Cir.1982); Reed United States Postal Sera., 660 F.Supp. 178, 181 (D.Mass-1987). The question remains, therefore,