As they say, power corrupts.
This will prove to be the case next month on Heroes. When the show returns from its January hiatus, volume four will depict Nathan in an even more evil light than viewers saw at the conclusion of the "Villains" arc.
According to Kristin Dos Santos of E! Online, Nathan will quickly grow tight with the president, due to his inside information about his former, ability-laden friends. Among the first people Nathan sells out? A certain icy blonde.