Beginning 30 years ago American citizens were allowed to own and exchange gold in any form, something they had not been able to do for the previous 40 years. Restrictions on gold began with a series of actions intended to buttress the collapsing economy of the 1930s, including executive and legislative action forbidding the private ownership of and trading in gold and abrogating "gold clauses" in contracts--obligations payable in gold or in dollars measured by gold. All of these actions were subsequently upheld by the U.S. Supreme Court. They have profound implications for us...