The technical challenges were solved in theory but not in practice.

The system broke down. We have to ask hard questions.

This will have a profound impact on stem-cell research. The opponents of the research will feel themselves to be vindicated.

Is this our version of W.M.D.?

We depend entirely on the truthfulness of the scientific community. We must believe that what they are showing us and what they say has been demonstrated is worthy of our concern and attention.

This is a tragic turn.