(Bloomberg) -- Global leaders descend upon midtown Manhattan this week for speeches, meetings and receptions, an annual migration to the United Nations meant to tackle the world’s biggest problems. It’s an event that New Yorkers have come to dread.Most Read from BloombergDebris Spotted in Search for Missing US F-35 Fighter JetIndia, Canada Trade Diplomatic Blows Over Murder AllegationsVegas’ Newest Resort Is a $3.7 Billion Palace, 23 Years in the MakingHow Auto Executives Misread the UAW Ahead o