| To understand this, we can look back at the work of Herbert Heinrich, who developed the domino theory of accident causation. |
| Before the war, he was a proponent of the democracy domino theory. |
| The Journal editorial writers fervently promote what used to be called the domino theory. |
| You know, the old domino theory in Vietnam proved not to be right. |
| If Laos fell to the Communists, Thailand might be next, according to the domino theory. |
| In all fairness to Kissinger on this one, the domino theory was an article of faith back then. |
