Watermelon. Hot dogs. Suntan lotion and swimming pools. Those are just a few of the reasons not to think about winter right now -- let alone the recent winter that many are still trying to forget. Even so, Robert Ineson's got winter on his mind. Ineson, managing director for North American natural gas at IHS, says the last cold season took an unusually deep bite out of the country's natural gas storage. Unless Mother Nature is kinder this year, serious price spikes could be on the way.