A dozen Democrats seeking the presidency tussled in a debate packed with policy, flubbing some details in the process.

Several gave an iffy explanation of why they're not swinging behind a bold proposal to make people turn over their assault-style weapons. Sloppiness also crept in during robust exchanges over foreign policy, health care, taxes and more. And when climate change briefly came up, its threat to the planet was exaggerated.

How some of their claims from Westerville, Ohio, on Tuesday night stack up with the facts:

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