By Zachary Fagenson MIAMI BEACH, Florida (Reuters) – Walking into the opulent, Mediterranean-style mansion once owned by innovative fashion designer Gianni Versace is a step back into the early 1990s when energy and money began pouring into the renaissance of Miami's South Beach. Past the ivy-covered gates on Ocean Drive, the 1930s mansion is an expression of the designer's personal style and lust for excess that made it and South Beach a magnet for the creative, artistic and jet set. …
