Ports Transaction

Yahoo News:

[...] Bush said sternly he would not back down.

"They ought to listen to what I have to say about this. They'll look at the facts and understand the consequences of what they're going to do," he said. "But if they pass a law, I'll deal with it with a veto."
[emphasis mine]

This is baffling indeed. Now, what do you suppose Bush was told would happen if the deal did not proceed? Consequences? What consequences are you talking about, Mr. Bush? Disruption to the oil supply? Price hikes? Currency problems? Let's have the facts.