Agence France-Presse: A US judge was to decide as early as Tuesday whether to lift a six-month freeze on deepwater drilling in the Gulf of Mexico, which officials here complain is strangling an economy already devastated by the massive oil spill. Some 32 US firms, whose crews and equipment have been left idle since US President Barack Obama imposed a moratorium on deepwater drilling in the Gulf, appealed in court Monday to federal judge Martin Feldman to ease the ban. “There’s an ecosystem of …