Ground Zero Rising: Freedom vs Fear: "A Survivor Returns"

Greg Carafello escaped the South Tower on 9/11 with a coworker and is the only tenant of the old Twin Towers to lease space in One World Trade Center. What drove him to return to the site that caused him so much pain? To find out, watch Ground Zero Rising: Freedom vs. Fear, this Thursday, September 1 at 10p ET on CNBC.