I can remember a time in 2004 when the emperor's clothes were falling off in strips: Abu Ghraib, increasingly effective insurgent attacks on US forces, Rumsfeld's press antics, putting Colin Powell under the bus. There are others.
This article gives a good overview of Bush's legacy. I like this comment:
I loathe President Bush but he is the epitome of America: tyrannical, morally hysterical, anti-intellectual, bigoted, wealthy, powerful, self-absorbed, and violent.