it was found on the 50th floor unconscious. no members of president trump's family were at the building at the time. the cause of the fire still under investigation. and less than a year after his first trial ended in a hung jury, bill cosby will stand trial again on sexual assault charges with opening statements set for tomorrow in pennsylvania. but the proceedings this time are unfolding in a markedly different sphere. >> amid public accusations against hollywood. >> i have been silenced for 20 years. >> reporter: only one major celebrity has been charged with a felony sexual offense, america's dad, bill cosby. the comedian and tv legend's retrial beginning now -- >> the atmosphere has shifted