In that August of 1957, however, the cloakroom was often crowded, with senators talking earnestly on sofas and standing in animated little groups, and sometimes the glances between various groups were not comradely at all--sometimes, in fact, they glinted with a barely concealed hostility, and the narrow room simmered with tension, for the main issue before the Senate that summer was civil rights, a proposed law intended to make voting easier for millions of black Americans