Rogue (n) - A vagrant; an idle, sturdy beggar; a vagabond; a tramp. A deliberately dishonest person; a knave; a cheat. From 16th Century thieves slang for a vagabond who begs by pretending to be a scholar. In horticulture, a worthless plant occurring among seedlings of some choice variety.
Which leads me to remember that old Dorothy Parker story. In a parlor game, Miss Parker was asked to use the word "horticulture" in a sentence. Her reply was, "You can lead a horticulture (whore to culture) but you can't make her think.Which is my way of saying that Sarah Palin choose an absolutely perfect, totally appropriate title for her book.