Chris Matthews did not call Dan Rather on the carpet for this, so he must be in full agreement with the sentiment.
Yes, its racist—why use watermellon? Why not Laptops, tires, candy, toys. Such as:
“Obama couldn’t sell toys at half price on December 23”
“Obama counldn’t sell lap top computers for fifty dollars on a college campus at mid terms.”
“Obama could sell candy outside a fat farm on Saturday night.”
“Obama couldn’t sell tires on a Georgia dirt road after a rain.”