The big legal battle over a little book has come to an end today. The U.S. Supreme Court decided it won't take up the case.The Miami-Dade County School Board removed Vamos a Cuba from library shelves in 2006 after a parent complained that the 32-page book for young readers portrayed a sunny description of a Cuba that doesn't exist.Supporters of the book said the point of the book, and the series it was a part of, was to provide a few basic facts about a country and to illustrate that children