President Harry Truman had a placard on his desk that read "The buck stops here". Like most other presidents, he was not afraid to take credit (or blame) for his own actions. But the current occupant of the White House is the very antithesis of that.
We have known for a while now that Donald Trump is an incorrigible liar. Now we learn that he is also a consummate "buck passer". If you listen to him, nothing he does is his own fault -- especially if those things are viewed as a mistake. "The Donald" believes he can do no wrong, and all mistakes must be attributed to someone else.
Here, in a Washington Post op-ed by Dana Milbank, is a concise history of Trump's "buck passing":