It is - but the result is the same! If the person feels he/she can't govern (keep in mind, it's not a job, but a pubic service), then she acts accordingly for the benefit of her constituents. When she resigns, the lieutenant governor will step up (who has the same agenda as her).
Ann Coulter has predicted this paranoia around Palin right after she resigned. This is a funny article.:-D
***********.anncoulter.com/cgi-local/article.cgi?article=320