It has been so long since we've had a good old-fashion Ponzi scheme indictment down here in Miami. That was until Isaac Niego came along and got busted today.Federal authorites claim Niego defrauded 33 investers in a $2.5 million Ponzi scheme. Niego and an unnamed coconsipirator solicited investments through two Coral Gables firms: Bull Trade LLC and Profitas Capital Investments. He promised investors their money would generate guarenteed returns of 100 percent.Ā Of course, if it sounds too good