What does the Vice President do? The only given constitutional duty is to preside over the Senate, a job with virtually no power since the Vice President can only vote in the event of a tie. Indeed, the nation's first Vice President, John Adams, called the post "the most insignificant office that ever the invention of man contrived."
The President, then, has almost total control over what the Vice President does. If he chooses to give him many responsibilities, the Vice President can have a significant amount of power. But the President must be willing to delegate the Vice President that power.
In recent years Presidents have given their Vice Presidents more and more to do. They have headed commissions and organized major projects. The Vice President often makes goodwill missions and attends ceremonies and celebrations. If the President regularly asks for advice, then the Vice President has some real, though indirect, power.

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