this is nbc bringing you the latest news. >> in the north, south, east and west. >> it's america's press conference on the air. >> from washington, the world's longest running television program. >> "meet the press." >> celebrating its 70th year. >> if it's sunday, it's "meet the press." >> i could watch that open over and over again. this morning we're beginning our 70th anniversary celebration. it's been 7-0, 70 years. yes, we are the longest running show on television, take that bart simpson. who better to kick things off than a man who's celebrating his own anniversary. tom brokaw is celebrating 50 years. he's been a regular on "meet the press" and was a moderator. so he's the bridge that connects these two celebrations.