Seven men, some of whom lived in a Liberty City, Fla., warehouse, have been arrested as potential homegrown terrorist sympathizers who discussed blowing up Chicago's Sears Tower and FBI headquarters in Miami-Dade County, multiple sources told The Miami Herald on Thursday. They posed no immediate danger to the community, federal officials said Thursday. Details will be revealed Friday morning at a press conference in Washington. Agents must now figure out if the men were actually capable of mounting attacks. Several sources described them as homegrown wannabes with no known connection to foreign terrorists. No explosives or guns were found, sources...