Democrat Henry Jackson of Washington, a man who wanted to be President, sipped tea in a deserted corner of the Senate dining room one evening last week. A busy day was ebbing for "Scoop," co-sponsor with Virginia's John Warner of a new proposal for a freeze and reduction of nuclear weapons. A Rumanian delegation was waiting nervously outside to shake his hand. Aides scurried in and out, whispering to the Senator about committee votes on whether to authorize new nuclear aircraft carriers.
"Rigidity," muttered Scoop, as if the word had a bad taste. "Partisan politicians, ideologues," he added with equal...