May 18, 2010 11:06 AM
WASHINGTON - It is election day for several states. Primaries are being held in four states today and there's one congressional election.
Voters in southwestern Pennsylvania will choose someone to fill the house of representative seat held by the late Democrat John Murtha.
Pennsylvania is also the site of a hotly contested Democratic primary for Senate. Senator Arlen Specter is facing a challenge from Representative Joe Sestak.
Voters in Kentucky and Arkansas are also casting ballots. Today is the deadline for Oregon's mail-in primary.
Democratic Sen. Blanche Lincoln and Lt. Gov. Bill Haltera are in a tough primary in Arkansas.
Rand Paul is predicting victory in today's Republican Senate primary in Kentucky. His chief opponent, Secretary of State Trey Grayson, says the tea party favorite has a false sense of security.
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