Entrepreneurs who dream of building the next Amazon, Facebook, or Google can take advantage of one of the most powerful economic engines the world has ever known: venture capital. To do so, you need to woo, impress, and persuade venture capitalists to take a risk on an unproven idea. That task is challenge enough. But choosing the "right" investor can be harder still. Even if you manage to get backing, you want your VC to be a partner, not some adversary...