Raindrop may deflect a thunderbolt, or a hair may ruin an empire, as surely as a spider-web once turned the history of Scotland; and if it had not been for one little pebble, this history of Tito might never have happened.

That pebble was lying on a trail in the Dakota Badlands, and one hot, dark night it lodged in the foot of a Horse that was ridden by a tipsy cow-boy. The man got off, as a matter of habit, to know what was laming his Horse. But he left the reins on its neck instead of on the ground, and the Horse, taking advantage of this technicality, ran off in the darkness. Then the cow-boy, realizing that he was afoot, lay down in a hollow under some buffalo-bushes and slept the loggish sleep of the befuddled.