The Skate Circle, located east of Sheep Meadow and west of the Naumburg Bandshell and the Mall, is a bring-your-own-skates affair.

BBC: Roller disco dancing in NYC

There's the slick salesman who needs billions of dollars in capital and technical know-how from the outside in order to exploit a quadrillion cubic feet of proven natural gas reserves (50 years' U.S. consumption) and 300, 000 miles of pipeline crisscrossing Russia from the Baltic border east to Tomsk in Siberia and from Uzbekistan north toward the Arctic Circle.

FORBES: Energy Tsar

Experts warned that the increase in air travel from East to West meant that a new virus would take only a matter of days to circle the globe.

BBC: Flu virus victims list from 1918

But surely there is a more interesting possibility, which she does not consider: that Western misbehaviour, starting with Anglo-French colonial adventures in the Middle East and South Asia, reinforced some of the worst features of Islamic societies creating a vicious circle which has yet to be broken.

ECONOMIST: No time for tradition