party s nomination. democratic congressman arks 27-year-old capital veteran was thrown overboard by west virginia in his primary. 2010 may be the year of incumbents living dangerously. today, two democrats battling for pennsylvania s u.s. senate seat. arlen specter, a 30-year senate veteran and his challenger joe sestak. then, republican senator, robert bennett, the first high-profile casualty of voters anger at all things washington. we will preview with john mek curio and julie mason. i am candy control le. this is state of the union. tuesday, voters in oregon, kentucky, arkansas and pennsylvania go to the polls mostly for primary contests. this morning, a fierce race in pennsylvania. 80-year-old arlen specter in the