Democratic vice presidential candidate Sen. Joe Biden is scheduled to be in Virginia for an invitation-only discussion on the economy.
Tuesday's visit to Woodbridge will be Biden's fourth trip to Virginia this month.
Democratic presidential nominee Sen. Barack Obama (web|news|bio) and Republican nominee Sen. John McCain (web|news|bio) are in a tight battle for Virginia's 13 electoral votes.
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Information from: Richmond Times-Dispatch.
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