LaHood says his advice to owners is to "stop driving it. Take it to a Toyota dealer because they believe they have a fix for it."
LaHood needs to be more careful what he says--he could cause some real public relations problems, for himself and for Toyota.
While sticky throttle pedals are a serious problem, the failure mode is rare, and completely controllable if the driver pays attention and keeps a cool head.
1) Press brakes firmly
2) Put the gear selector in N
3) Pull over
If 2) is a problem for some reason, you can turn off the motor.