ALEXANDRIA, Virginia, Feb. 4 -- The office of the U.S. Attorney for the Eastern District of Virginia posted the following news release: * * * McLean executive convicted at trial for $1.5M precious metals Ponzi scheme A federal jury convicted the owner and operator of an Alexandria-based precious metals investment firm yesterday on charges of wire fraud and violating the Travel Act relating to a precious metals Ponzi scheme. According to court records and evidence presented at trial, beginnin  more