With the similarities between characters, ie Jiraiya = Naruto and Oro = Sasuke, one could argue that Sakura could be similar to Tsunade eventually. In that same line of thought, the 3rd taught the Sanins, so Kakashi could arguably be similar to the 3rd. They both know a lot of Jutsu.

Could this mean that Kakashi may become Hokage someday? And a scarier thought, could Sakura be asked to become Hokage someday, just like Tsunade, if indeed she will be similar to Tsunade??? That would be scary.... so wrong....