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Virginia Heffernan welcomes back Garrett Graff, executive director of the Aspen Institute’s Cybersecurity & Technology Program and Mueller specialist, for a look ahead at special counsel Robert Mueller’s testimony next week, his first response to the Mueller report, and his take on where it’s particularly damning.

Follow Trumpcast on Twitter: @realtrumpcast

Podcast production by Melissa Kaplan with help from Merritt Jacob.