In the case of President Bush I think the first two applies. He doesn't mean what he says and sometimes he doesn't know what he's talking about. Using bad language, the President started a war with a country that didn't attack America, legalized discrimination against homosexuals, and appointed extremely conservative judges in the Supreme Court.
Bush often uses language to hide his meanings and intentions rather then say them. For instance, Bush uses two of Orwell's meaningless words, democracy and freedom. According to Orwell, these words are meaningless because they have a variety of definitions. Bush uses the word freedom a lot a lot because it's so symbolic to Americans. No American is against freedom and liberty. The word freedom is misleading because of its variable meanings. America has been had puzzling definitions for the word through its history. Freedom has been a truth for many Americans and a cruel joke for