About Caspar Weinberger:
Caspar Willard "Cap" Weinberger was an American politician and businessman. As a prominent Republican, he served in a variety of prominent state and federal positions for three decades, including Chairman of the California Republican Party, 1962–68. Most notably he was Secretary of Defense under Republican President Ronald Reagan from 1981 to 1987.
Sanctions and negotiations can be very ineffective, and indeed foolish, unless the people you are talking with and negotiating with and trying to reach agreements with are people who can be trusted to keep their word.Caspar Weinberger