Are Democrats already blowing their best chance to take the Senate back from Mitch McConnell next year? This week on “The Argument,” the columnists talk the state of the other 2020 race(s) worth paying attention to. Then, a conversation with Times editorial board member Binyamin Appelbaum about how much we should blame economists for the rise of income inequality. 

For background reading on this episode, visit nytimes.com/theargument.

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