Steve Forbes. He supported (that's how it's spelled) Steve Forbes, and shared Forbes' initial concern that GWB was not conservative enough. Since the primaries both have come to support Bush.
Care to provide links for the rest of your assertions?
I know he thought about running AGAINST Bob Kerrey -- is that what you mean when you said he donated to Kerrey once?
He supported McPain after steve forbes got out
Here is what I found.
In the 90's he donated $$ to Sen. Bob kerrey of NE( whose vote gave us the Clinton Tax increase, and who is pro-choice).