@CNN: Warren Buffett just donated $3.4 billion in Berkshire Hathaway shares to charity https://t.co/44gHFev774 https://t.co/psKaY04ifS

@CNN: Warren Buffett just donated $3.4 billion in Berkshire Hathaway shares to charity https://t.co/44gHFev774 https://t.co/psKaY04ifS