The Vice President of the United States is the ex officio President of the Senate, with authority to preside over the Senate's sessions, although he can vote only to break a tie. For decades the task of presiding over Senate sessions was one of the vice president's principal duties.
However, because they ride atop the water, rather than cutting through it as other hulls do, flat-bottom boats are usually limited in the size of their motors. The flat surface may also give a spine-jarring ride in anything less than calm weather.
Often referred to as party barges. Pontoon and deck boats are typically seen with multi-hulls, although there are also deck boats without pontoons, which have a monohull. Both boats are designed primarily for day use as an entertaining platform.