Leave it to Kathy Griffin to offer up a preview of one of 2011’s potential celebrity feuds in the opening moments of the new year … live on CNN. Her New Year’s resolution, she told Anderson Cooper, is to take down 16-year-old Willow Palin because of her homophobic Facebook slurs in 2010. “She’s called people a fa***t on Facebook a couple of times. You don’t throw around the f-word without hearing from me,” she said . We think Kathy Griffin is mostly kidding. Okay, we hope she is . “I’ve already gone for Sarah, Todd and Bristol obviously, but I think it’s Willow’s year to go down. In 2011 I want to offend a new Palin,” she said. That shouldn’t be