NBC would not comment on the video.
Kristi Hoffman will host show, which debuts Thursday evening.
Julia Roberts, Jack Black, DJ Khaled among those to take part in fund-raiser.
Talk-show host’s warnings to staff set social media abuzz.
Deal also includes using Periscope and Twitter for pregame coverage and more.
Katherine Ann Berman, 67, was one of two victims Tuesday.
ABC to revive the old Fox hit sometime in 2017-18 season
Touched on impact it has had on his career in recent University of Mississippi speech.
Show has only been off the air for one year.
Deal creates the largest local-TV station owner in the country.