Presidential Election '08 (50 images)

Presumptive Republican presidential nominee Sen. John McCain (R-AZ) arrives to visit the southern Israeli town of Sderot on March 19, 2008. McCain is in the region as part of congressional delegation with Senators Lindsey Graham (R-SC) and Joe Lieberman (I-CT). (UPI Photo/Uriel Sinai/POOL)

Sen. Joe Lieberman, D-Conn, left, chats with Sen. John McCain, R-AZ, prior to a Senate Armed Services Committee hearing on the implications for the Defense Department and military operations if the U.S. intelligence community is re organized...(UPI Photo/Michael Kleinfeld)..

Michelle Obama, Caroline Kennedy, Maria Shriver and Oprah Winfrey (L-R) stand together after they each spoke during a rally for Democratic presidential candidate U.S. Senator Barack Obama (D-IL) at UCLA's Pauley Pavilion in Los Angeles on February 3, 2008. (UPI Photo/Jim Ruymen)

Hillary Clinton campaigns at the McConnell Center in Dover, New Hampshire on January 7, 2008. The New Hampshire primary will be held January 8th. (UPI Photo/John Angelillo)