In his first few months after stepping down, former vice president Richard B. Cheney threw himself into public combat against the "far left" agenda of the new commander in chief. More private reflections, as his memoir takes shape in slashing longhand on legal pads, have opened a second front against Cheney's White House partner of eight years, George W. Bush.

Cheney's disappointment with the former president surfaced recently in one of the informal conversations he is holding to discuss the book with authors, diplomats, policy experts and past colleagues. By habit, he listens more than he talks, but Cheney broke form when asked about his regrets.

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