Tea Party members Diana Reiner of Lansdale, Pennsylvania (L) and Keli Carender of Seattle, Washington, gather with a group known as the Tea Party Patriots for a 'Reclaiming the Capitol' rally at the US Capitol on election day, planting their own "special edition" of the historic Gadsden flag, the US flag, and the Tea Party Patriots banner into the ground in Washington, DC, on 02 November 2010. Midterm elections are being held across the United States with many highly contested races that could threaten the political futures of numerous incumbents as well as change the balance in the Senate and House of Representatives. EPA/JIM LO SCALZOepa Tea Party members Diana Reiner of Lansdale, Pennsylvania (L) and Keli Carender of Seattle, Washington, gather with a group known as the Tea Party Patriots for a 'Reclaiming the Capitol' rally at the US Capitol on election day, planting their own "special edition" of the historic Gadsden flag, the US flag, and the Tea Party Patriots banner into the ground in Washington, DC, on 02 November 2010. Midterm elections are being held across the United States with many highly contested races that could threaten the political futures of numerous incumbents as well as change the balance in the Senate and House of Representatives. EPA/JIM LO SCALZO
Republican candidate for Senate Christine O'Donnell of Delaware campaigns outside a polling station in Dover, Delaware, USA, 02 November 2010. Mid-term elections are being held across the United States with many highly contested races that could threaten the political futures of numerous incumbents as well as change the balance in the Senate and House of Representatives. EPA/MICHAEL REYNOLDS
Stephanie Hujanen (C) checks in to cast her ballots at the Middleton Fire Department in Middleton, Wisconsin, USA, 02 November 2010. Mid-term elections are being held across the United States with many highly contested races that could threaten the political futures of numerous incumbents as well as change the balance in the Senate and House of Representatives. EPA/KAMIL KRZACZYNSKI
Nancy Stringer submits her ballots at the Middleton Fire Department in Middleton, Wisconsin, USA, 02 November 2010. Mid-term elections are being held across the United States with many highly contested races that could threaten the political futures of numerous incumbents as well as change the balance in the Senate and House of Representatives. EPA/KAMIL KRZACZYNSKI
Washington Republican candidate Dino Rossi (C) talks to supporters at Shawn O'Donnell's American Grill and Irish Pub in Everett, Washington, USA, on 02 November 2010. Ross is running against Democratic incumbent Patty Murray Mid-term elections are being held across the United States with many highly contested races that could threaten the political futures of numerous incumbents as well as change the balance in both the Senate and House of Representatives. EPA/STEPHEN BRASHEAR
Democratic candidate for Senate Chris Coons (R) of Delaware speaks with Venerando Maximo (L), a registered Republican voter, while campaigning outside a polling station in Dover, Delaware, USA, 02 November 2010. EPA/MICHAEL REYNOLDS
People cast their votes at a polling site in Allentown, Pennsylvania, USA, on 02 November 2010. Voters in Pennsylvania are voting in the United States' mid-term elections. EPA/JUSTIN LANE
REPEATING WITH CORRECT DATELINE: Democratic candidate for Senate Chris Coons (L) of Delaware campaigns outside a polling station in Dover, Delaware, USA, 02 November 2010. EPA/MICHAEL REYNOLDS
Nevada Republican Senate candidate Sharron Angle (R) and her husband Ted Angle walk in to vote in the mid-term US elections at McQueen High School in Reno, Nevada, USA, on 02 November 2010. Angle is running against Nevada Senator and Majority Leader Harry Reid in a campaign that has featured numerous allegations of dirty politics. EPA/JOHN LOCHER NEVADA OUT
Republican US Representative from Illinois and candidate for the US Senate Mark Kirk waves as he departs his polling place after voting at the Highwood Community Center in Highwood, Illinois, USA 02 November 2011. Kirk is in a tight race with Illinois State Treasurer Alexi Giannoulias for the seat formerly held by President Barack Obama. EPA/TANNEN MAURY
At Murch Elementary School, Washington D.C. residents cast their ballots in a midterm election that may determine the fate of President Barack Obama's legislative agenda for the next two years, in Washingotn D.C., USA, on 02 November 2010. EPA/JIM LO SCALZO
Republican representative from Illinois and candidate for the US Senate, Mark Kirk, votes at the Highwood Community Center in Highwood, Illinois, USA, 02 November 2010. Kirk is in a tight race with Illinois State Treasurer Alexi Giannoulias for the seat formerly held by President Barack Obama. EPA/TANNEN MAURY
US Vice President Joe Biden exits a voting booth after voting in the midterm elections at a polling station in Wilmington, Delaware, USA, 02 November 2010. EPA/MICHAEL REYNOLDS
US Senator John McCain (Republican, Arizona) leaves the Madison Camelview Elementary School after casting his vote in this year's mid-term elections, in Phoenix, Arizona USA, 02 November 2010. EPA/ROY DABNER
Republican Senate candidate Christine O'Donnell of Delaware walks out of a voting booth after voting for the midterm elections at a polling station in Wilmington, Delaware, USA, 02 November 2010. EPA/MICHAEL REYNOLDS
US llinois State Treasurer and Democratic candidate for the U.S. Senate Alexi Giannoulias, cast his ballot at his polling station, USA 02 November 2010. Giannoulias is running for the senate seat formerly held by President Barack Obama and currently held by Senator Roland Burris who was not seeking re-election. EPA/DAVID BANKS
llinois State Treasurer and Democratic candidate for the U.S. Senate Alexi Giannoulias (R) jokes with a voter before voting at his polling station in Chicago, USA, 02 November 2010. Giannoulias is running for the senate seat formerly held by President Barack Obama and currently held by Senator Roland Burris who was not seeking re-election. EPA/DAVID BANKS
Poll workers get ready as a polling station opens for voters in the midterm elections, in Wilmington, Delaware, USA, 02 November 2010. EPA/MICHAEL REYNOLDS
US Republican Senate candidate Christine O'Donnell (front) of Delaware boards her vehicle after voting in the midterm elections at a polling station in Wilmington, Delaware, USA, 02 November 2010. Also in the picture is Christine O'Donnell's sister, Jennie O'Donnell (back). EPA/MICHAEL REYNOLDS