Published as the 40th Anniversary of Nixon's resignation approaches, Will's column confirms that Nixon feared public disclosure of his role in sabotaging the 1968 Vietnam peace talks. Will says Nixon established a "plumbers unit" to stop potential leaks of information that might damage him, including documentation he believed was held by the Brookings Institute, a liberal think tank. The Plumbers' later break-in at the Democratic National Committee led to the Watergate scandal that brought Nixon down.