For example, UBS asked brokers to tailor their "run-throughs" - their overview of market sentiment and activity that they discuss with traders at the other banks - to benefit UBS's position in yen interest rates.

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Two run-throughs were planned, with Washington attorneys Bob Barnett in the role of Vice President Dick Cheney and Andy Pincus playing moderator Gwen Ifill, a senior correspondent for PBS. Barnett also played the role of Cheney for Sen.

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