Today: Terror in New York City. FOX's Kevin Rincon has the details on yesterday's vehicular attack. Not exactly a household name, George Papadopoulos is someone we're starting to learn more about. FOX News Channel's Chief Washington Correspondent James Rosen helps to fill in the blanks. Affordable Care Act enrollment opens today. How is it going? FOX Business Network's Gerri Willis weighs in.

Plus, a commentary from FOX & Friends co-host Ainsley Earhardt.