Embryonic Stem Cell lines come from material stored at fertility clinics which is already slated for destruction. Preventing these blastocysts from being used for research won’t ‘save’ them. It simply means they’ll be disposed of in a medical waste facility instead of being used to find cures for disease. The only reason to restrict federal approval of new lines is to appeal to a minority of extremist social conservatives and it comes at the cost of possibly delaying or denying treatment–and in some cases life itself–to millions of people.
2) It is telling that the president’s first veto will be curb scientific research. This administration, from its inability to acknowledge global warming to its denial about the effectiveness to its refusal to approve Plan B has shown repeatedly that trusted, proven science is to be ignored. This veto takes that mission one step further: rather than reject the outcomes of scientific research, he’s just going to prevent that research from happening in the first place.