Play of the Day: How Hillary Clinton Handles Real 'Hard Choices'

Former secretary of state Hillary Clinton made an appearance on The Colbert Report to discuss her book, but Stephen Colbert doesn't buy the title. She's never had to make a real, existential hard choice, like bringing peace to Old MacDonald's farm.

Plus: Researchers find a happiness equation. CNN may have a new lead anchor. A new ceasefire is reached in the Middle East. And ebola panic sets in as patients are brought to the U.S.