For most of the afternoon Sunday, the open roof deck at the InterContinental Cairo Semiramis hotels had two sunbathers and a young boy swimming in the Olympic size pool by himself. Six stories down, and 200 hundred yards away, on Abd El-Quader Hamza street, reckless policemen (aka the Central Security Force, or CSF) were launching tear-gas shells against the multiple protesters who were hurling rocks back at them.