The NCAA has released the following information concerning the live coverage of this year's NCAA Div. I Wrestling Championships from St. Louis, Mo.    "Television coverage: ESPN will be producing and syndicating live coverage of the semifinals. The broadcast will begin at 7 p.m. Eastern time on Friday March 19. Check your local listings for stations airing the event. ESPN2 will air the championships live at 6:30 p.m. Eastern time on Saturday, March 20."