There is a doubt.
There is a doubt, a hefty one at that. It comes from somewhat drastic changes he's made to government. We've been over (and over) the specifics.
I know several staunch "Limbaugh listener's" that vehemently oppose Obama's policies but I have never heard them express the "Hatred" you're imagining. Sure there might be some in the south from what we hear but that's not representative of conservatives as a whole.
But you guy's go on with your "Brownshirts", "Nazis", "Jack-booted thugs" and the ever present "Racist" if it makes you feel superior. If that's the sort of thing you need.