WASHINGTON, Aug. 23 - A radical proposal by Republican senators to break up the C.I.A. and transfer other intelligence agencies out of the Pentagon met with an expected rush of strong criticism on Monday from influential lawmakers, Republicans and Democrats alike, and drew a noncommittal response from President Bush. The president, speaking to reporters outside his ranch in Crawford, Tex., said he had not seen details of the proposal announced on Sunday by Senator Pat Roberts, the Kansas Republican who is chairman of the Senate Intelligence Committee. "Senator Roberts is a good, thoughtful guy who came up with an idea,...