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Data shape public debate, policy decisions, and democratic outcomes—but numbers are never neutral. In this course, students examine how data are used, framed, and communicated in contemporary political and policy contexts. Through case studies drawn from congressional reports, nonprofit advocacy organizations, and public-facing data products, students analyze how evidence is mobilized to make arguments, influence opinion, and justify action. Students will write a short, original policy-focused report grounded in publicly available data, emphasizing clarity, rigor, and effective communication for non-technical audiences. In additional to 10 synchronous online sessions, the course includes an in-person mini-symposium held the weekend of April 19, 2026 at the Johns Hopkins Bloomberg Center in Washington, DC as a required component. At the mini-symposium, students will present their work, receive feedback, and engage with guest speakers working in policy and advocacy. No advanced technical background is required; creativity, collaboration, and critical thinking are strongly encouraged.