every US Senator and Governor is campaigning for president
Those who are not "natural born citizens" of the United States (such as the current governor of California) cannot become President, by the Constitution, but, yes, for the most part most politicians of national prominence keep a future run for the presidency in mind in most of what they do.
Those who are not "natural born citizens" of the United States (such as the current governor of California) cannot become President, by the Constitution, but, yes, for the most part most politicians of national prominence keep a future run for the presidency in mind in most of what they do.