Answer :
Answer:
US Vice President.
Explanation:
According to the Constitution , the vice president presides over the Senate. Nevertheless, the Majority Leader is the real head of the upper chamber, opening, leading and closing sessions , and directing the overall legislative work of senators. In cases when the number of senators from one party or another could lead to a tied vote on an important issue, or it is possible some lawmakers will vote against the party lien, the vice president joins the Senate sessions and vote in favor of the position supported by his party.