David Letterman doubts late-night’s future before Colbert finale

Ahead of the final episode of The Late Show With Stephen Colbert on CBS, former network late-night host David Letterman said that he would be “surprised” if other shows in that format last too much longer. Letterman, 79, made the remark in an interview with the New York Times that was published on Tuesday, in which he also described his “disbelief” upon learning Colbert’s show had been cancelled. …