FITCHBURG - On a sunny day last week, Simon Hawker and his twin sons, Frank and Jack, were in good moods as they walked up Authority Drive to Wachusett station. They had been to Great Wolf Lodge New England, having enjoyed a few days at the indoor water park and resort.Mr. Hawker said he was spending time with his sons during school vacation week. He said they had previously visited the Great Wolf Lodge in Fitchburg, but that the new train station made their trip ......