My open letter to +Peter Buffett on the need for more moon shots - from everyone in philanthropy, including his NoVo Foundation - to change the way business, government, and philanthropy work at making the world a better place.

Please comment on it directly or add your thoughts in the comments below. 

Update: With all the interest this conversation has generated, I'm organizing a Google Hangout On Air on August 20th to discuss these themes more. Please note your interest via this form to participate:
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