Diane Rehm doing a dramatic reading at a charity fundraiser last week. (James R. Brantley)

— WAMU’s Diane Rehm working to maintain her eternally measured tone when the cellphone of her guest, psychoanalyst Henry Kellerman, bleated out a jazzy tune for the second time in the middle of her live interview with him Thursday morning. As Kellerman — who had been discussing anger management, of all things — fumbled apologetically with the device, the legendary radio talk host firmly suggested an assistant take it off his hands. “I promise not to get overly angry about it,” she said, calmly and evenly. “It certainly is an interruption and one we have a problem with.” (Podcast for today’s show here.)

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