Souder

WASHINGTON - Democrats Arlen Specter in Pennsylvania and Blanche Lincoln in Arkansas struggled uncertainly for nomination to new Senate terms Tuesday and tea party activists clashed with the Republican hierarchy in Kentucky in primaries testing anti-establishment anger in both political parties.

INDIANAPOLIS - Indiana Rep. Mark Souder, an eight-term Republican who promoted abstinence education, said Tuesday he'll resign from Congress after admitting an extramarital affair with a part-time staff member.

WASHINGTON - President Barack Obama is not on the ballot in Tuesday's primaries, nor is Sen.