Climate Central: For the second time in less than a year, a key weather satellite is ailing, forcing a spare satellite into service, according to the National Oceanic and Atmospheric Administration (NOAA). The satellite malfunction comes shortly before the kickoff of the 2013 Atlantic Hurricane Season, which NOAA expects to be an active one. And while the offline satellite will not impact weather forecasts now that the backup satellite is in place, it leaves weather forecasters without a fallback in the event that...