BuzzFeed writes, The goofy, Teflon Veep becomes Obama's indispensable man. “No matter how hard we tried, they always were laughing with him.” Image by Dennis Brack-Pool / Getty Images WASHINGTON — Republicans thought Joe Biden would be the weakest link in President Barack Obama's re-election campaign last year, but the gregarious Vice President proved Teflon then, and is now emerging as the Administration's unlikely, indispensable man. Mitt Romney's campaign and allies made a target of "Uncle Joe" — casting him as a bumbling hapless counterpoint to the cool president, a man who couldn't remember…