Why doesn't President Bush ask the Canadians or Mexicans?

Every once in a while a headline shows up where the U.S. President is asking the Saudis to increase oil production.
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If the Saudis king says no, the press acts as if though the Arabs are controlling the United States. The United States imports just as much from Canada and Mexico (See See U.S. Energy Information Administration website, yet why doesn't the President ask these countries to increase oil production? If he does, how come the mainstream media doesn't report on it.

The Saudis invest trillions of dollars in the United States, but Canada and Mexico do not. Saudi Arabia buys billions of dollars worth of weapons from the United States, even though they do not have the qualified personnel to operate the weaponry. Saudi Arabia is just a storage place for weapons the United States uses in its military interventions in the Middle East and surrounding regions.