In the latest development in the growing surge of support for a return to some form of gold standard, Donald Trump has decided to accept gold bullion as a deposit on a commercial lease. This follows a news story reported on earlier this year where Utah became the first state to legalize gold and silver coins as currency. On Thursday, the newest tenant in Donald Trump’s 40 Wall Street, a 70-story skyscraper in Manhattan’s Financial District, will hand Mr. Trump a security deposit worth about $176,000. No money will change hands, rather three 32-ounce bars of gold. The occasion will...