By Andrew Ward in Washington
Published: September 11 2008 23:30 | Last updated: September 11 2008 23:30
Democratic jitters about the US presidential race have spread to Capitol Hill, where some members of Congress are worried that Barack Obama’s faltering campaign could hurt their chances of re-election.
Party leaders have been hoping to strengthen Democratic control of the House and Senate in November, but John McCain’s jump in the polls has stoked fears of a Republican resurgence.
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