The dictators have fallen one by one. Several more look likely to fall soon, and few will miss them. But as popular revolutions approach their demise, something else has come along. In one country after another, the Muslim Brotherhood — the fundamentalist revolutionary Islamic party founded in 1920s Egypt — and other Islamist parties have used the ballot box for their own ends. After decades of repression and opposition, they have finally come to power. The era of the Islamists has begun, and as recent events in the Middle East have demonstrated, the world they create will not only look very different but be far more dangerous for Israel and beyond.