​​​​Dr. Emil Chynn Will Never Forget Being at Ground Zero on 9/11

"That day, I encountered literally thousands of people screaming and running past me in the opposite direction," Dr. Emil Chynn remembers of September 11th, 2001. Two hijacked passenger planes had just been used in a coordinated terrorist attack on the World Trade Center, hitting the North Tower at 8:46 at the South Tower at 9:03. "Actually, I was the only person going downtown," Dr. Chynn says. "I tried to flag a yellow cab to take me downtown, but nobody would stop. Finally, I got a cabbie to ...