(CNN) -- More than a week after the Egyptian military ousted the Islamist-led presidency of Mohamed Morsy, the Muslim Brothers, from which Morsy hails, continue to mobilize their followers on the streets and demand the reinstatement of Morsy. Far from backing down, the Islamist organization has pledged to resist what it has called a "fascist coup," and has rejected any dialogue with the transitional government that does not restore the popularly elected Morsy. Opinion: Egypt's secularists repeating Islamists' mistakes For the military, the Brotherhood's demand is a non-starter, and both camps and their supporters face a deadlock that can now only be broken through either a political compromise or an all-out confrontation.
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Gerges says there is a real danger of further polarization and escalation in Egypt
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The interim authority has obtained de facto legitimation and recognition, he says
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He argues there will be no institutionalization of democracy without the Brotherhood
It is worth remembering that mainstream Islamists of the @placeholder variety have survived decades of persecution, incarceration, and exile by military-led authoritarian regimes -- and they will most likely weather the latest coup that has swept away Morsy.