FREDERICK, Md. - A new radio system at Fort Detrick will improve communication with the Pentagon. The downside: some people may have to open their garage doors the old-fashioned way. The Land Mobile Radio system will allow Fort Detrick and 10 other Army installations in the Washington region to communicate with the Pentagon and civilian emergency personnel by hand-held radios. In a suburban sacrifice to emergency preparedness, Frederick residents could experience a rash of dead door openers in coming days, as the Army's Fort Detrick begins using a new radio system linking local and federal government emergency personnel. The new...