How the US Senate could change everything

You wouldn't know it, but there are a lot of elections taking place in the US on November 3. Arguably the next most important contest, after the one for the White House, is the race to decide which party has control of the Senate. That’s because the result has the capacity to make or break the next four years for whoever wins the Presidency. So how's it shaping up, and how could it change America? Featured: Karlyn Bowman, Senior Fellow, American Enterprise Institute