I have often thought that democrats (liberals in general) keep up the "for the children" mantra because they are so child-like in their thinking processes.
The problem with Bush bashing is that it is a sign of desperation, a sign that we feel so powerless to stop the country from heading in a direction that many of us feel is terrible that all we can do to make ourselves feel better is call the President stupid. If you get the DVD release of directors cut of "Godzilla", the street mingling denizens of the 60s Tokyo cool hepcats are pointing and ridiculing the Lizard King right up to their "Lord of the Dance" reptillian stepdance bodily pancaking too:
"Ha! Look look! It so Easy! Happy Go Lucky! Big Stupid Frog! No Fly With Turtle Rocket! Yatta Yatta Yatta ..." SQUISH!