Republicans spend millions on key battleground races

Senate Majority Leader John Thune discusses the upcoming midterm elections. Thune analyzes the Senate power rankings, Republican ad spending and the battleground races that will decide control of Congress.

Senate Majority Leader John Thune discusses the upcoming midterm elections. Thune analyzes the Senate power rankings, Republican ad spending and the battleground races that will decide control of Congress. Thune also highlights crucial battleground races in states like Georgia.