Henry Blodget's exclusive with the head of the world's largest hedge fund — Bridgewater's Ray Dalio on his biggest worry and when a downturn might come

This week, Henry Blodget sat down with Ray Dalio, founder and C0-CIO of Bridgewater, the world's largest hedge fund.

Here is part 1 of their extended interview, which appears in the premiere episode of Henry's new weekly markets and economics show, The Bottom Line.

Watch the full episode here.

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