
McDonalds has recently introduced a new Southern Style Chicken Sandwich and the Chick-fil-A chain is not too happy. It shows in their ads [1].
Links:
[1] http://www.nytimes.com/2008/05/22/business/media/22adco.html?_r=1&sq=chick&st=nyt&oref=slogin&scp=1&pagewanted=print