we can speak to mark goldwasser, who was working near the world trade center on september 11th 2001.e witnessed, but also the health consequences of being so close to the disaster. thank you very much forjoining us here because i know you are undergoing cancer treatment currently from where you speak to us in the. currently from where you speak to us in the-— to us in the. correct, good evening- _ to us in the. correct, good evening- i _ to us in the. correct, good evening. i want _ to us in the. correct, good evening. i want to - to us in the. correct, good evening. i want to turn - to us in the. correct, good| evening. i want to turn into what happened _ evening. i want to turn into what happened and - evening. i want to turn into what happened and how . evening. i want to turn into | what happened and how you suffer the consequences personally in a second but first, what did you witness that morning of september 11 20 years ago? dar; that morning of september 11 20 ears auo? , that morning of september 11 20 years ago?— years ago? day is forever seared into _ years ago? day is for