The events unfolding in Tunisia and Egypt are part of an arc of profound political change across the Arab world. Each country has its own historical contours, but this moment is offering a cumulative example that demonstrates that the times are indeed changing. And the ways in which the U.S. engages the Arab world must change accordingly. Fast.

As events in Egypt move forward, the United States has appeared to be a befuddled bystander, reacting slowly and with a muted voice that cannot be heard above the din of those demanding freedom.

As events in Egypt move forward, the United States has appeared to be a befuddled bystander, reacting slowly and with a muted voice that cannot be heard above the din of those demanding freedom.

Ever since the victory over the dictator of Tunisia and the subsequent uprising in Egypt, my email has been flooded with messages from Jews around the world hoping and praying for the victory of the Egyptian people over their cruel Mubarak regime.

King Abdullah II of Jordan fired his government on Tuesday after weeks of demonstrations challenging his regime, part of a wave of demands of public accountability sweeping the Arab world that has brought throngs of demonstrators into the streets of Egypt.

As millions march in the streets of Cairo, it is far too soon to tell whether the upheaval will deliver the economic and political freedoms that the people demand. History is littered with radical transformations that have taken societies in radically different directions.

The Greater Middle East or the Greater Arab World extending from Tunisia to Egypt and reaching Jordan, Lebanon, Yemen and Sudan are today in a state of turbulent unrest.

But few Israelis really believe in that hopeful outcome. Instead, the grim assumption is that it is just a matter of time before the only real opposition group in Egypt, the Islamist Muslim Brotherhood, takes power. Israelis fear that Egypt will go the way of Iran or Turkey, with Islamists gaining control through violence or gradual co-optation.