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Only an idiot would dare someone to find Article 1, as if it is something that takes longer than 2 minutes to do on the internet. This may be exactly the reason taht fewer people are as dumb as you and your Republican paymasters hope. Here is the link for your edification.
http://www.usconstitution.net/const.html
And here is the relevant bit from Article 1:
"The Vice President of the United States shall be President of the Senate, but shall have no Vote, unless they be equally divided."
That is the only duty, besides succession upon illness or death of the president, assigned the VP by the consitution.
Here is Biden's quote:
"And the primary role of the vice president of the United States of America is to support the president of the United States of America, give that president his or her best judgment when sought, and as vice president, to preside over the Senate, only in a time when in fact there's a tie vote. The Constitution is explicit.
The only authority the vice president has from the legislative standpoint is the vote, only when there is a tie vote. He has no authority relative to the Congress. The idea he's part of the Legislative Branch is a bizarre notion invented by Cheney to aggrandize the power of a unitary executive and look where it has gotten us. It has been very dangerous."