Bret Stephens writes:
Hamas is the Palestinian branch of Egypt's Muslim Brotherhood, and Egypt -- not Israel -- is the country that has most to fear from a statelet that is at once the toehold, sanctuary and springboard of an Islamist revolution. …
As Middle Eastern power plays go, Hamas's decision to dismantle the Gaza-Sinai border was a masterstroke. Gaza's economic woes are almost wholly self-inflicted, but they are real. Dynamiting and bulldozing the border of a neighboring country is legally an act of war, but it was made to seem like a humanitarian necessity and a bid for freedom. Flooding that neighbor with hundreds of thousands of desperate people is a massive economic burden on Egypt, but one that it shirks at its political peril.
Above all, Hamas exploited the myth of pan-Arab solidarity with the Palestinians in order to explode it. Having whipped itself into its usual frenzy over Israel's "siege" of Gaza, it was a delicate matter for the state-run Egyptian press to make the government's case for deploying truncheon-wielding police to turn back the Palestinian human tide. It's an equally delicate matter for the Egyptian government to arrest Brotherhood protesters peacefully demonstrating "for Palestine," even if the Brotherhood's real target is Hosni Mubarak's regime and the Israeli-Egyptian peace treaty that it supports.