By Robert Cole
As Benjamin Franklin observed, reputation is like glass or fine porcelain. Once cracked, delicate things are devilishly hard to mend. The engine failure on the Qantas superjumbo taking off from Singapore has created, as yet, no more than hairline fractures at Rolls-Royce. But the airline industry is fragile, and only works because its customers have faith in the abilities of aero-engineers, and those that fly and maintain aircraft. If those abilities are questioned, the value—and values—of those implicated are shaken.