Amid warnings of online extremism, Air Force Academy turns to social media sleuthing | The Excerpt

USA TODAY National Correspondent Will Carless looks at an Air Force Academy plan to monitor online extremism. The Justice Department sues Apple. USA TODAY Health Reporter Karen Weintraub explains the medical significance of the first-ever kidney transplant from a gene-edited pig. The U.S. fails to crack the top 20 in the World Happiness Report. #Podcast #Audio #News