FILE - In this Monday, May 1, 2017, file photo, the WGN Radio sign appears on the side of Tribune Tower, in downtown Chicago. Sinclair Broadcast Group, one of the nation's largest local TV station operators, announced Monday, May 8, 2017, that it will pay about $3.9 billion for Tribune Media, adding more than 40 stations including KTLA in Los Angeles, WPIX in New York and WGN in Chicago. (AP Photo/Kiichiro Sato, File)