These days we’ve come to expect a 24-hour news cycle. When there’s an accident on Route 27, when a major snowstorm is headed our way or a northeaster is bearing down on us, when we hear sirens or a fire whistle, we (journalists included) tend to want up-to-the-minute details. Should we reschedule that trip to Riverhead? Stay off the roads? Get our boat out of the water?