Well, he could beat McCain, not substantially, but that's why I want specifics. I don't want wiggle room.
You should consider going after Google if you find they are using this as a quintessential example of a strawman argument
Maybe Obama can come to your neighborhood between now and the time he leaves office and convince you he's actually been awesome for the last 8 years.
Give me a number. 5%? 10%? 2.4%?