The consequence of the Bay of Pigs failure wasn't an acceptance of Castro and his control of Cuba but, rather, a renewed determination to bring him down by stealth.

Truman is now seen as a near-great president because he put in place the containment doctrine boosted by the Truman Doctrine and the Marshall Plan and NATO, which historians now see as having been at the center of American success in the cold war.

What makes war interesting for Americans is that we don't fight war on our soil, we don't have direct experience of it, so there's an openness about the meanings we give it.

In counterfactual history, nothing is certain.

As someone who has more than a passing acquaintance with most of the 20th century presidents, I have often thought that their accomplishments have little staying power in shaping popular views of their leadership.

... what's in a person's heart and soul will not likely be changed by the ability to command a helicopter to land on the South Lawn.

Like Lyndon Johnson, President Obama understands that timidity in a time of troubles is a prescription for failure.