"Robert Dallek" is an United States/American historian specializing in the President of the United States. He retired as a history professor at Boston University in 2004 and previously taught at Columbia University, UCLA, and Oxford University/Oxford. , he teaches at Stanford University's Stanford in Washington program in Washington, D.C. He won the Bancroft Prize for his 1979 history of Franklin D. Roosevelt and his foreign policy, as well as other awards for scholarship and teaching.

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I think he's really undermined his credibility at this point, and it really saddles him with the kind of problems that Johnson and Nixon faced.

Kennedy was very sensitive to this question of ever using nuclear weapons.

These crises are such a heavy burden, and they are so self-inflicted, except for the court vacancies, that if he is not very careful and tries to put across someone who is seen as an ultraconservative, he is going to touch off a conflagration in the Senate.

There's no question that these sorts of television images have a big impact on people and in many respects shape reactions to the White House.

The images that have been constantly on television--a city that is under water, people who have been displaced, sobbing, crying, the evacuation of people--you can have this kind of spin-doctoring and have people say all sorts of things, but I think these realities on the ground [matter].

That's why pragmatism is such a central ingredient of an effective presidency. If you're not pragmatic, not responsive to changing realities, then you don't succeed.

As he put it. Still, he added: ''Bush did make a comeback then. But the country was more receptive to his kind of leadership. I can't see how they're going to turn this around.

He was able to put them on the trail of the truth to find out just exactly what was going on in this scandal.