FROM THE VAULT: John Hancock building gets its final steel beam on May 6, 1968

Today is the 58th anniversary of WBBM Newsradio's all-news format. Here's a broadcast from that first day back in 1968, featuring anchors Mal Bellairs and Tom Clark as well as reporter Allan Crane, provided by the family of Mal Bellairs. Archives organized by WBBM Newsradio's Rob Hart.