Bristol Palin slams Johnston, calls him ‘gnat’ in book

Bristol Palin writes in her new book of losing her virginity to boyfriend Levi Johnston on a camping trip after getting drunk for the first time on too many wine coolers. She awoke in her tent, alone, with no memories of what had happened as Johnston "talked with his friends on the other side of the canvas." She had vowed to wait until marriage. And she had lied to her parents about where she was