Unheralded

TERRY DULLUM: The Dullum File — Steve Allen’s Legacy

Like a lot of others, I’m looking forward to CNN’s new six-part documentary series “The Story of Late Night,” a look at the history of late night television talk shows. The first episode at 8 Sunday night will likely focus on Steve Allen, the co-creator and first host of NBC’s “Tonight Show.” It was network television’s first late-night talk show. …