But some lawmakers faulted Chertoff for putting too much faith in Brown, who told the committee he tried to work around Chertoff, who was his boss.

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In fighting to restore faith in Labour's ability to run the health service, Mr Brown has named a fresh team, led by Alan Johnson.

ECONOMIST: Health-care politics

He said he backed Mr Brown's plan for a committee to look at past expenses claims but did "not have much faith in it".

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