2011: Phyllis Diller teases Anderson

LOS ANGELES, CA - JUNE 05: Actress Phyllis Diller attends the 9th Annual Butterfly Ball on June 5, 2010 in Los Angeles, California. (Photo by Jason Merritt/Getty Images)

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    2011: Phyllis Diller teases Anderson

IN 2011, CNN's Anderson Cooper talked with legendary comedians Joan Rivers, Kathy Griffin, Joy Behar and Phyllis Diller.