Democratic legislative leaders, skeptical that a longtime aide to Governor Ehrlich acted alone when he spread rumors about Mayor O'Malley, say it will take more than an inquiry by the governor's legal adviser to resolve questions about the incident that has roiled state political waters. But Senate President Thomas V. Mike Miller said Thursday Democrats won't rush into any investigation of their own. "We are going to let the matter percolate for two or three days. We're going to see what else comes forth, analyze what steps the governor is taking," Miller said. He said he and House Speaker Michael...