Tahrir Square this morning.(Pedro Ugarte/AFP/Getty Images)

Vice President Omar Suleiman has announced today, on the 18th day of protests, that President Hosni Mubarak has resigned from the presidency. According to the army, it will supervise Suleiman as he implements constitutional reforms in the coming months. In the last few minutes of ecstasy, anyway, for the exhausted multitude in Tahrir Square this has been Kifaya: Enough. Be happy for them.