... He also vouched for his running mate, Senator Barack Obama. “I give you my word as a Biden, if he grew up in my neighborhood as he did in Kansas being raised by his grandparents, he’d be our friend, he’d cover our back,” he said. “That’s Barack Obama. I promise you, his value set is the same.” (Actually, Mr. Obama was raised by his mother and grandparents in Hawaii and Indonesia, though his mother was born in Kansas.) ...