PRESIDENT Bush is now putting his en tire presidency at risk, thanks to incompetence by his staff — and his own I-know-best stubbornness on the port furor. Bush has landed fellow Republicans in Congress with a nightmare choice: They can create a diplomatic incident by blocking the United Arab Emirates takeover of ports like New York, or they can commit political suicide. "No member of Congress is going to risk a TV ad run by their opponent showing Arab street thugs burning American flags and waving AK-47s superimposed over port icons like the Statue of Liberty," says a veteran Republican...