Yes, because the Vice President is the one who if the President needs to leave his position the Vice President is the one who is going to take the president position. The Vice President is the president of the Senate, if we have a situation where the senate is tied the Vice President is the one who is going to break the tie. Vice Presidents are also important because they travel abroad, especially when the president isn’t ready to commit to some sort of deal with another country but wants to send a high-level emissary.