Has President Bush gone over the edge?

An increasing number of Republicans, ranging from former conservative Congressman Joe Scarborough to former President George H.W. Bush, worry that President George W. Bush's tenuous hold on reality is slipping away and the leader of the free world may be sliding into a full-fledged mental breakdown.

Source: Capitol Hill Blue

http://www.capitolhillblue.com/content2/2006/09/has_bush_gone_over_the_edge.html

This implies there was a time when Bush was more stable and less incoherent? Seems like the same idiot we've seen from day one...