Half-blind security guard caught sleeping at WTC insists 'EXERCISING his eyes', security lapse at building at 9/11's Ground Zero

Half-blind security guard caught sleeping at WTC insists was just 'EXERCISING his eyes' exposing another security lapse at the building that rose from 9/11's Ground Zero

An alarming photograph taken in the lobby of One World Trade Center shows a half-blind security guard sleeping on the job.