Moravec argues that some machines already have emotions of a sort. He compares a person's reaction to (for example) the "fear" reaction of a robot that avoids stairs or other places where it might fall and damage itself. What he gets into are the reasons we have emotions, and why they are likely (in some form) to continue - "cold logic" isn't always the best survival strategy.

By the way, I'd point out that another way to develop AIs would be to grow them. There's a tendency to make a strong division between protein machines and other machines, but the division could fade over time, along with the division between natural and artificial.

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