Mangrove squeeze

Suki Sperakis went to Key West for a better life - even though the tradeoff was a series of lousy jobs, the latest of which is selling ad space for a third-rate freebie paper. Aaron Katz went to Key West to escape the double hell of a Wall Street job and a soured marriage. And to pursue a dream he'd caught, like a bad cold, from his ex, of restoring a doomed and rotting wreck of a guest house. Then there were the Russians... they came to Key West for the opportunity. Blue jeans! Gold chains! Harley Davidsons! And a cozy, unprotected spot that harbored the richest, most explosive stash of…