Eighteen months ago I read a book that changed my life. Yeah, yeah, I know... sounds corny. But it's not what you think. This book changed my life not because of what it said but because of what it didn't say.

On a nothing-special summer afternoon in 2010, I sat in the Cambridge Public Library preparing a speech on something I'd been studying for decades. I plugged "world hunger" into the library's computer. Food Politics: What Everyone Needs to Know popped up.

So I began reading.

"I couldn't believe my eyes" doesn't do justice to the shock I experienced.

[Read the whole story here]