Is cloning right?

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Everybody knows about Dolly the Sheep (she was a cloned sheep) and so on. But what are our aims at cloning: Easy labour? Organs? Dangerous Jobs? Kamikazee Soldiers? These are all great ideas? But if they are just like us won't they also feel pain and emotions. Wouldn't they act in the exact same way as us? I mean like with the organs, it would be like harvesting crops wouldn't it? Is that right? Tell me, what do you think?