Former George W. Bush Chief of Staff Andy Card recalls the day he whispered in President Bush’s ear, “A second plane hit the second tower. America is under attack.” CNBC’s Ylan Mui takes a look at the long-term medical issues and health problems impacting the first responders who worked at Ground Zero. CNBC’s Eamon Javers explores cyber attacks, the new terror threats facing our national security, something airport pat downs and watch lists won’t prevent. 19-year-old Claudia Szurkowski was still in utero when her father died in the 9/11 attacks, she never got to meet him, but she says she still talks to him every day. Retired Navy Admiral James Stavridis recalls his experience at the Pentagon when one of the hijacked planes hit it on 9/11. Plus, host Shepard Smith reflects on September 10, 2001, the day before the attacks, and a world without either the Department of Homeland Security or the TSA.