Egyptian pro-government demonstrators, bottom on a flyover, overlook anti-government protesters, top, behind barricades, In Tahrir square, the center of anti-government demonstrations, in Cairo, Egypt, Saturday, Feb. 5, 2011. The army later removed the pro-government demonstrators to prevent clashes between the two groups. Rallies in Cairo and behind-the-scenes diplomacy from the U.S. President Barack Obama administration is piling more pressure on Egyptian President Hosni Mubarak to make a swift exit and allow a temporary government to embark on an immediate path toward democracy. (AP Photo/Lefteris Pitarakis)