The roles and responsibilities of a vice president include serving as the second-in-command to the president and presiding over the Senate, where they can cast tie-breaking votes. The vice president often represents the administration in diplomatic functions, attending events and meetings both domestically and internationally. Additionally, they may oversee specific policy initiatives or serve as a key advisor to the president. In times of crisis or transition, the vice president is crucial for maintaining governmental continuity. Their role can vary significantly based on the priorities of the sitting president and the political climate.