The president is the Voice of the People, serving as the spokesman and formulator of public opinion – speaking for no special interest, but for the whole of the people.
The vice president's special duty is to be president of the Senate.
"Your duty is being done by us."
The passive version of "you have done your duty" would be "duty has been done".
One duty of the President is to sign a bill into a law. Another duty is to be Commander in Chief of the US military.
It's vice president.
It is also the duty of the vice president to preside over the Senate.
Stephen Colbert provided the voice of President Hathaway .
It is the House of Representative's duty to charge the president with impeachment. It is also the Senate duty too, but mostly the House of Representative's duty ;)
Craig Fairbrass
He Is the president of the United States or the US for short.
Gary Oldman
His only responsibility if to make the deciding vote in the Senate as the President of the Senate if there is ever a tie on legislation. His other duty is to take over as President should something happen to the sitting President.