The Securities and Exchange Commission (SEC) is accusing the men who bought bankrupt chains RadioShack, Modell’s Sporting Goods, and Pier 1 Imports of running a Ponzi scheme that duped investors out of tens of millions of dollars.  A complaint filed in the U.S. District Court for the Southern District of Florida on Tuesday, alleges the co-founders of Miami-based Retail Ecommerce Ventures, Alex Mehr and Tai Lopez, together with the company's Chief Operating Officer Maya Burkenroad, raised approximately $112 ...