House Majority Leader Steve Scalise announced Tuesday he was diagnosed with multiple myeloma, a blood cancer. Dr. Monica Ganhi explains what causes this cancer and the symptoms you may experience with a diagnosis. #cancer #myeloma #Scalise Get a fast-paced look at the latest from the border to Main Street to the White House on "NewsNation Live with Marni Hughes." Weekdays starting at 10a/9C.#NewsNationLive NewsNation is your source for fact-based, unbiased news for all America. More from NewsNation: newsnationnow.com Get our app: trib.al/TBXgYpp Find us on cable: trib.al/YDOpGyG How to watch on TV or streaming: trib.al/Vu0Ikij