1. Introduction: The article could start with an introduction to gene editing technologies such as CRISPR-Cas9 and their potential applications in medicine, agriculture, and other fields.

2. Ethical Concerns: The article could then discuss the ethical concerns surrounding gene editing, such as the potential for "designer babies", the risk of unintended consequences, and the possibility of exacerbating social inequalities.

3. Regulatory Frameworks: The article could explore the current regulatory frameworks for gene editing in different countries and at the international level. This could include an analysis of the strengths and weaknesses of these frameworks and their effectiveness in addressing the ethical concerns.

4. Case Studies: The article could present case studies of controversial gene-editing experiments, such as the creation of the world's first gene-edited babies in China, to illustrate the challenges and complexities of regulating gene editing.

5. Policy Recommendations: The article could conclude with policy recommendations for improving the regulation of gene editing. This could include suggestions for strengthening ethical oversight, promoting public engagement, and fostering international cooperation.

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6. References: Finally, the article should include a comprehensive list of references to support the arguments made and provide further reading for interested readers.