Robert Triffin was reacting to some genuine problems in the Bretton Woods system.

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"That's really where the problems come from - either a genuine error or where there's deliberate fraud going on, " said Dr Craig.

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In the Senate, the filibuster only works if there is a genuine spirit of compromise and trying to solve problems, as opposed to just shutting the place down.

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"There are bound to be legal problems such as making sure they are genuine orphans, " she said.

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These are genuine long-term issues, as the U.S. government will have to deal soon with fiscal problems that have been festering for decades.

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