<P> The Vice President of the United States is assigned the responsibility of presiding over the Senate and designated as its president by the United States Constitution . The vice president , as President of the Senate , has the authority ( ex officio , for he or she is not an elected member of the Senate ) to cast a tie - breaking vote . Other than this , the rules of the Senate grant its president very little power ( in contrast to the powerful office of Speaker of the House of Representatives ) . </P>
<P> The Vice President of the United States is assigned the responsibility of presiding over the Senate and designated as its president by the United States Constitution . The vice president , as President of the Senate , has the authority ( ex officio , for he or she is not an elected member of the Senate ) to cast a tie - breaking vote . Other than this , the rules of the Senate grant its president very little power ( in contrast to the powerful office of Speaker of the House of Representatives ) . </P>
who acts as the president of the senate
who acts as the president of the senate
The Vice President of the United States
The Vice President of the United States