Show SINCLAIR ATTACKS SENATORS POWER POWEI WASHINGTON April April 12 The authority of the th senate mil to ask ak him th questions question which are said bald In contempt proceedings proc against Jl him seas waa attacked by Harry Iary F I Sinclair today In a demurrer tiled filed here in inn answer n w r to his hi contempt t Indictment Th The demurrer followed In the main tho the legal leeal contentions ad- ad aJ lanced an ed by the the- Sinclair la lawyers when wilen the th oil oU magnate m and lessee Jeseo c of Teapot Tea Dome list hat appeared be- be before be before fore tore the he h mat oil oU committee and refused to reply to a 0 long lone string of questions on the ground that the investigators were without authority and that his hi evidence should hould bO b reserved loT tor for the th courts court o |