Four Key Races Will Help Determine Control of Senate In ‘09 TOPICS:Siena Poll Posted By: Siena College Research Institute October 30, 2008 Four Key Races Will Help Determine Control of Senate In ‘09 Incumbents Johnson (D, 7thSD), Oppenheimer (D, 37thSD), Robach (R, 56thSD) & Volker (R, 59thSD) Continue to Lead Challengers Donno and Konst Gain Some Ground in 7th and 59th SDs Press Release