The Constitution does not state or imply any flexibility in the office of vice president. It gives the vice president no legislative responsibilities other than casting a tie-breaking vote in the Senate when needed and no executive powers at all. The vice president’s constitutional role is to be ready to serve if the president dies or becomes incapacitated.

Any president deserves a vice president who will be a sound adviser and trustworthy supporter. But the American people also deserve and need a vice president who understands and respects the balance of power — and the limits of his or her own power. That is fundamental to our democracy.

So far, Ms. Palin has it exactly, frighteningly wrong.

Conservatives? My ass. Combined, y'all don't have the intellectual capacity to handle a job as a cashier at Wal Mart.