ISIS, Al Qaeda and other splinter groups have increasing access to both weaponry and channels of communication, creating a global threat that is omnipresent, urgent—and often unknown. Experts and journalists provide an on-the-ground look at the groups behind extremist acts and the threats currently facing our nation before addressing the questions most on everyone’s minds in an audience Q&A. What to expect: CNN’s Pentagon Correspondent Barbara Starr on America’s counterterrorism efforts
