April 28, 2004 Chapel Embraces Role as 9/11 MonumentBy DAVID W. DUNLAP t. Paul's Chapel, where Americans worshiped even before they were American, has long been known as the oldest public building in Manhattan.Old, it certainly was. But the Episcopal chapel did not really become public until Sept. 11, 2002, when the doors opened to "Out of the Dust," a temporary display about its ground zero ministry. The show was supposed to run only three months.Instead, it drew crowds. Thousands. Tens of thousands. Hundreds of thousands. One million, as of early March. St. Paul's has become the most substantive 9/11...