When Huey Long was shot in the state capitol on Sept. 8, 1935, nobody could understand why Dr. Carl A. Weiss, a mild-mannered specialist from Baton Rouge, would do such a thing. Weiss himself was shot dead during the confrontation, so could not say. The prevailing story at the time was that Weiss was upset about a bill in the legislature that would strip power from Opelousas Judge Benjamin H. Pav…