The bus tour could also be simply a preface to Palin's next reality show, talk show, book or other product. Some candidates write books to help raise their profiles as candidates; some entertainers take up issues or causes to make themselves be seen as more serious, but Palin just keeps talking and drawing attention to herself as both an entertainer and a politician, like some weird far right Energizer Bunny that never stops, but always keeps her options open.