As winter's hold deepens in the dark days of February, Miami's hotels fill to the bursting point. Cruise ships flock to the busiest port in the world as people desperate for warmer climates board these behemoths of the seas. People with too much time and money fill the clubs. In every other jurisdiction, as its citizens are driven indoors, there is a downturn in crime but not in Miami, as the members of the Miami-Dade Crime Lab can attest. Stretched...