Mr Summers called on sovereign wealth funds to be transparent about their investments and strategy, and sign a binding code of conduct.

BBC: Richard Fuld, Lehman Brothers chief executive

He also wants a new binding code of conduct for banks.

BBC: Bank inquiry 'should focus on Libor'

Where force is necessary, we have a moral and strategic interest in binding ourselves to certain rules of conduct.

CNN: Obama: 'Peace requires responsibility'

Up to now, the United States government has not explicitly called for binding international norms on UAV use, whether through a treaty, code of conduct, or other such vehicle.

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