Princess Kate reveals she has been diagnosed with cancer after weeks of widespread speculation, announcing she is in the early stages of chemotherapy and recounted an incredibly tough time for her family. Plus, ISIS has claimed responsibility for a terror attack at a concert hall in Moscow which killed at least 40 and injured dozens and dozens more. We learning the United States may have tipped off Russia that a terror attack might be coming.  Learn more about your ad choices. Visit podcastchoices.com/adchoices