In an unprecedented display of civic outrage over violent crime, as many as 3,000 people marched on City Hall on Thursday, demanding that city leaders stem the tide of violence and calling on ordinary citizens to help make New Orleans safer. Organized in the wake of a string of almost daily murders in the new year, the protest channeled the city's rising anger and fear. "We have come to declare that a city that could not be drowned in waters of a storm will not be drowned in the blood of its citizens," said the Rev. John Raphael Jr., one...