Rachael Ray will be at the Barnes & Noble at Prudential Center for a book signing at noon tomorrow - Wednesday, December 20. Then she'll be at the Sur La Table in the Mall at Chestnut Hill on the same day from 6:00 to 7:30 pm. A Globe article named "Hatred of Rachael Ray Can Be a Powerful Uniting Force" became one of the most popular articles on globe.com (not as popular as "Flatulence......