The argument has been made in Congress that it is slippery slope if you allow therapeutic, what people people are calling therapeutic cloning, then you will get reproductive cloning.
I've personally demanded that tyrants let their people go. I've tried to feed the hungry, clothe the poor, protect the elderly and infirm, and defend the needy from the aggressively greedy. I've led a blessed life. What a kick for a kid from the projects.
We must never forget that many around the globe are denied the basic rights we enjoy as Americans. If we are to continue enjoying these privileges and freedoms we must accept our mission of expanding democracy around the globe.