President Barack Obama gave a powerful speech today, one of his best. The president was again eloquent, but there is concern here in the U.S. and also abroad in the Arab world, that eloquence is not enough, that it may in fact be more of the problem than the solution. The fine words don’t seem to have substance in Egypt, according to a report in The Washington Post. There appears to be a global concern that Obama’s talk is cheap. Obama’s “Cairo Speech” all over again, one Egyptian declared. Now is the time for decisive action. Now is the time for the President of the United States to put up or shut up. (Of course, what exactly is to be put up is another matter.)

This reminds me of another powerful writer-speaker, President Vaclav Havel. Havel is the other president in my lifetime that I have deeply admired. Both he and Obama are wonderful writers and principled politicians, both have been criticized for the distance between their rhetorical talents and their effectiveness in realizing their principles.

Agreeing with the criticisms of Havel, I sometimes joke about my developing assessment of him. I first knew about Vaclav Havel as a bohemian, as a very interesting absurdist playwright. I wrote my dissertation about Polish theater when this was still his primary occupation, and I avidly read his work then as I tried to understand why theater played such an important role in the opposition to Communism in Central Europe.

I then came to know him as one of the greatest political essayists and dissidents of the twentieth century. At the theoretical core of two of my books, Beyond Glasnost: The Post Totalitarian Mind and The Politics of Small Things: The Power of the Powerless in Dark Times are the ideas to be found in Havel’s greatest essay, “The Power of the Powerless.”

However, as president, Havel was not so accomplished. He presided over the breakup of Czechoslovakia, a development he opposed passionately, but ineffectually. He sometimes seemed to think that he could right a political problem by writing a telling . . .

Read more: Reflections on President Obama’s Speech on the Middle East and North Africa