Are Republican Ads That Attack Obama and Pelosi Effective?

• By Stuart Rothenberg
• Roll Call Contributing Writer
• May 12, 2008, Midnight

Hours after the results were tallied in Louisiana’s 6th district special election, both parties issued assessments about the efficacy of GOP ads linking the winner, Don Cazayoux (D), to presidential candidate Sen. Barack Obama (D-Ill.) and Speaker Nancy Pelosi (D-Calif.).