Most of us had plenty to eat at Thanksgiving. There was lots of turkey, stuffing and endless dessert options. We can all buy food to eat. What we can't buy is a way to fill that empty seat. For one of my friends, it was her teenage son who is out on his own and just didn't come home for Thanksgiving-an empty seat. One of my neighbors missed her husband who died last year-another empty seat. A woman I met in the store said she couldn't invite her sister because they had a