Entertainer banned after Bush remark Presidential 'chicken legs' joke leads bookstore's customers to complain ---------- Apparently, it's become un-American--or at least highly controversial--for a woman to publicly say that the president of the United States' body is less than perfect. A Baltimore acoustic artist has been banned from playing the Fredericksburg Borders Books & Music store--apparently because she made fun of President Bush's legs between songs in her show Friday night at Central Park. Julia Rose, a singer-songwriter and a fitness advocate who often shows audiences her six-pack abs, told a Fredericksburg Borders audience Friday: "George Bush has chicken legs....