Why wouldn't you want him to succeed?

Maybe I'm listening to too much talk radio lately, but I keep hearing people talk about Obama like they don't want him to succeed. While I have not jumped both feet into the Obama train, I will stand behind him as long as I feel he is doing what is best for this country and for my family. I love this country and want her to prosper, so of course I want my president to succeed. I don't understand why any American would want to see him fail, if he fails, we all fail.