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Parties grapple for control of Congress

President Obama has done what he can attempting to stop a meltdown in support for his troubled Democratic party in Tuesday's midterm elections.

Republicans and Democrats in the United States are grappling for control of Congress.

The Republicans and their grass-roots Tea Party movement likely to score big wins. One of the Tea Party's most high-profile campaigns has been in the state of Delaware.

Clive Myrie reports.