Susan Rice offers blistering take on Pete Hegseth

Susan Rice, an ally of who served in multiple roles in both his and 's administrations, called 'dumb as a rock' after he fired her from a policy board.

Rice, 60, was the United States' Ambassador to the during Obama's first term and served as his National Security Advisor for his second.

She also spent two years as the director of the Domestic Policy Council under Biden and has served as a member of the Defense Policy Board Advisory Committee at the Pentagon.

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