Americans are understandably both manic and depressed about recent developments in Egypt. The mania comes from 1776 and our own history of casting off a Pharaoh in the name of freedom. The depression comes compliments of 1979 and Iran, which saw populist street protests against a pro-American dictator co-opted into an Islamic Republic deeply hostile to the West.
And there are parallels between Iran back then and Egypt today. Both are large countries with sizeable, largely Islamic populations. And the leading opposition party in Egypt is the Muslim Brotherhood.
But Arab Egypt is not Persian Iran, for the following four reasons: