Many Egyptian Protesters Trying to Restore Revolution's Focus on Democracy

CAIRO -- As hundreds fled the advancing armored cars of riot police officers, Mohamed Mokbel ran forward. A veteran of two years of violent street protests, he pulled on his gas mask and charred protective gloves for another long night at his current vocation: throwing tear gas canisters back at the riot police. "Whenever people lose hope, the clashes grow worse," Mr. Mokbel, 30, said on a break from the fighting on Friday night outside the presidential palace. "But the people in power are still acting like there is no crisis, still firing more gas," he said, "so I am going back in." Two years after the ouster of President Hosni Mubarak, waves of increasingly violent street protests have...