Obama’s War Chest Drives a 50-State Strategy – NYTimes.com Less than three weeks after securing the Democratic nomination, Mr. Obama is already dispatching paid staff members to all 50 states, an unusual move by the standards of modern presidential campaigns so often fought in just a contained group of contested territories. His aides and advisers said they did not believe Obama necessarily has a serious chance of winning in many of the traditionally Republican states, but rather that he can at least draw Mr. McCain into spending time and money there while also swelling the rolls of Democratic voters and…