Poll after poll shows that over half the American people like George Bush. It is not a common thing in politics. But president Bush connects with people. Everyone but the left likes him. I will readily admit the left hates hin. Yhe left is about 1/3 of the voters. The right and center are 2/3 of the voters. That two thirds likes George Bush.
With that said consider this.
The answer to that question will tell you why attacks on Dubya will fail.