Miami Beach police are cracking down rowdy spring breakers after days of out-of-control parties in the seaside city that have included violence and drunken debauchery. Mayor Dan Gelber said tens of thousands of visitors have overrun the Miami Beach Entertainment District — and the city will now step up police enforcement to curtail the behavior, according to WTVJ. SNIP “If you have 50 or a 100,000 people coming there and just half of 1 percent are rowdy or drunk or high to the point where they need to be controlled, it becomes a situation which is truly chaotic and unmanageable,”...