One of the most controversial moral and ethical dilemmas of the President George W. Bush's campaign to be re-elected focused on stem cells. Stem cells have the ability to become or differentiate into any type of cell. If you had the power to become a stem cell and have unlimited control of what you could become (real or imagined) what would your cell do? Compare your cell to two normal cells in the body. What do they do alike? What do they do differently?