“I've recently been engaged with the idea of my sphere of influence. My nearest and dearest dwell within the center of that sphere, and in the outlying concentric circles lie those with whom I am acquainted, but to a lesser degree. The people in the uttermost parts of the world are at the periphery of the circle; in truth, most lie beyond the border of my sphere.

The technology of our times has brought our generation unprecedented knowledge of those at the periphery and beyond via the...”

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