Today, Boris Johnson's New York counterpart, Michael Bloomberg, is coming to town. The pair will exchange tips about the challenges of running effectively the two most important cities on Earth, and they'll be chinwagging about the pros and cons of their relative roles. According to the Beeb, Boris will be envious of the hefty £30bn budget his doppelgänger controls, while Bloomberg will eye the meager legislative red tape that allows schemes like the congestion......