Bush is setting himself up to be blamed for terrorist attacks far into the future.
He is besmirching his legacy bigtime with this dumb move.
You're right. Why wouldn't every Bin Ladenite on the planet focus on creating bloody havoc at these ports? If they were successful, they would cause a French Revolution in this country. They would effectively tear this country apart and symbolically end Bush.
After 9-11, Gen Hugh Shelton said in his confidence-inspiring (yeah, he was a Clinton appointee, but still) Southern way "Your armed forces are Ready."
If the zero hour hits the ports, no CJC could say that and make the people believe. The people would say, "You guys were bought byy dem der UAE Arabs and you sold us out."