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Contents Acknowledgments vii 1. Science-Based Controversies and Idioms of Public Argument 1 2. Timely and Powerful: Defining Stem Cells through Appeals to Application 16 3. Abortion and the Embryo: Right-to-Life Arguments as a Source for Rhetorical Invention 44 4. Blastocysts, Spare Embryos, and Embryo Adoption: Redefining the Beginnings of Human Life 73 5. Power, Potency, and Plasticity: Hierarchies of Stem Cells and Their Inherent Ambiguities 90 6. Stalemate and the Idioms of Science-Based Controversy: GeorgeW. Bush’s Manichean Idiom and Barack obama’s Return to a Scientistic Idiom 118 7. Scientistic and Manichean Idioms of Public Argument 146 notes 155 Works Cited 161 Index 181 ...

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