Not all the dominos have fallen: Armenia, for example, shelved its version of the anti-propaganda law after a Western outcry.
Lehman's failure caused problems because the whole system was shaky, the dominos poised to fall at the slightest breath.
Zachary Karabell says we should be wary of Greek dominos falling, but the global obsession is overblown.
1801, from French domino (1771), perhaps (on comparison of the black tiles of the game) from the meaning "hood with a cloak worn by canons or priests" (1690s), from Latin dominus "lord, master" (see domain), but the connection is not clear. Klein thinks it might be directly from dominus, "because he who has first disposed his pieces becomes 'the master.' " Metaphoric use in geopolitics is from April 1954, first used by U.S. President Eisenhower in a "New York Times" piece, in reference to what happens when you set up a row of dominos and knock the first one down.