U.S. Capitol Police chief: more security needed to protect lawmakers in current climate

The man charged in the hammer attack on Nancy Pelosi’s husband has just been arraigned. Also, political heavyweights in both parties are hitting the campaign trail one week before the midterm elections that could potentially shake up the balance of power in Washington. Plus, the Federal Reserve is expected to hike interest rates again tomorrow and former Treasury Secretary Lawrence Summers joins to discuss.To learn more about how CNN protects listener privacy, visit cnn.com/privacy