You need a proved vote-getter and fundraiser. I know what you're thinking. It doesn't say a think about being elected vice president after that. Then, if something happened to you, God forbid, he could finish out your term then step aside. Yes, I know.
People say they want change.
But, deep down, they don't really want that much change. You need to shore up your base, call Democrats home and show swing voters that you're an alpha male who's not afraid to try something different.