President Trump’s proposed 'Golden Dome' vs. the laws of physics

Trump’s space-based missile defense system. Could it protect the country against a nuclear attack, or is it technically impossible?

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Hosted by Meghna Chakrabarti, On Point is a unique, curiosity-driven combination of original reporting, newsmaker interviews, first-person stories, and in-depth analysis, making the world more intelligible and humane. When the world is more complicated than ever, we aim to make sense of it together. On Point is produced by WBUR.