Mr Riordan has made reforming the city's constitution one of the main tasks of his second administration.

ECONOMIST: A little more like angels

The Occupational Safety and Health Administration recommends mixing noncomputer-related tasks into the workday, so that you're moving and using different muscle groups.

CNN: Sitting for hours can shave years off life

With little fanfare but lots of effort, the Boeing Company this week is on the verge of completing all the tasks required by the Federal Aviation Administration to demonstrate the 787 Dreamliner is ready for a return to routine operations.

FORBES: Boeing Completes Tests Leading To Resumption Of Dreamliner Operations

European-only defence efforts, they reckon, will work best for tasks that are endorsed by the American administration but fail to arouse enough enthusiasm from Congress to warrant direct American involvement.

ECONOMIST: The EU turns its attention from ploughshares to swords

"Some of the formal mechanisms that existed were frankly ineffective in the tasks they were meant to do, " another administration official said.

CNN: U.S. government agencies shape cyberwarning strategy