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The Atlantic Daily: Biden's in for 2020. But in 2016, Obama Talked Him Out of It.

Saahil Desai
The Atlantic Daily: Biden's in for 2020. But in 2016, Obama Talked Him Out of It.

Is America too fractured for jokes? Plus: earthquakes—or marsquakes, rather—on the Red Planet, a warning about aquariums, the long history of the anti-vax movement, and more