Democratic Incumbents Lead in Key Senate Races, GOP Narrows Gap in Pennsylvania

Senators Bob Casey and Tammy Baldwin maintain leads in Pennsylvania and Wisconsin, respectively, while Republican Dave McCormick closes in on Casey.

Sen. Bob Casey leads GOP challenger Dave McCormick by 4 to 7 percentage points in recent polls, with about 12% of Pennsylvania voters undecided.
Sen. Tammy Baldwin holds a 7-point lead over Republican Eric Hovde in Wisconsin, with 8% undecided.
Polls indicate tight races could influence control of the Senate, impacting both presidential and congressional outcomes.
Undecided voters and those splitting their tickets could play a crucial role in the final outcomes of these races.
Polling data underscores a competitive political landscape in key battleground states ahead of the November elections.