In the midst of the Vietnam War, two titans of the Senate, J. William Fulbright and John C. Stennis, held public hearings to debate the conflict's future. Their shared aim was to alter the Johnson administration's strategy and bring an end to the war-but from dramatically different perspectives. In this intriguing new work, historian Joseph A. Fry provides the first comparative analysis of the inquiries and the senior southern Senators who led them...