One of the Vice President's duties is that when the Senate votes on a bill and it is a tie, he can break the tie.
So, for example, from 2001 to 2003, the US Senate was 50 Democrats and 50 Republicans. When a bill was voted on and came up exactly 50-50, the Vice President (Dick Cheney at the time, a Republican) would break the tie.
The vice President- Should be the president of the senate, but there should be no vote, unless the vote should be divided equally between both the senate and the vice president.
Yes
Constitution
It is in the constitution.
The 25th amendment to the Constitution did. It was ratified in 1967. It says that if the president is removed the vice president will become the president.
The Constitution defines who is elligible to be Vice-President. The president can select any elligible person as a running-mate.
The constitution states the terms of office and how a president or Vice President can be removed from office.
Only to the extent that the president empowers him. It is the president's job to enforce the law.
Veto
No,by law you can on serve two terms.
administering the law
The Presidential Succession Act of 1947. This gives clear order to who would become president if the President and Vice President where to die or be incapacitated and unable to perform the duties of president.
No, the president and vice president do not vote on laws before they are passed by Congress. The legislative branch, which includes Congress, is responsible for drafting, debating, and voting on proposed legislation. The president's role is to either sign bills into law or veto them, while the vice president's role is to preside over the Senate and only vote in the event of a tie.