I'm Michelle Goldberg.

I'm Ross Douthard.

I'm David Lee Unhart, and this is the argument.

This week, our Democrats blowing their chance to win back the Senate.

Being in the Senate used to be considered a really good job.

Then, how much can we blame economists for income inequality in America?

Their predictions were rooted in an understanding of the world that was not actually the world in which we live.

And finally, a recommendation.

I mean, if money were no object, I think I would have bought seven hats.

The Democrats don't just need to beat Donald Trump in 2020 to accomplish their goals.

They also need to win back the Senate.

And to do that, they'll need to pick up at least three seats.

And yet, the party doesn't seem totally focused on the Senate.

Some of its strongest potential Senate candidates are not even running.

Democratic donors for their part are focused on the presidential race, not the Senate races.

And the debate in the presidential race, on issues like immigration,

seems to bring a very real risk of alienating voters in the races where Democrats would need to win Senate seats.

But the news isn't all bad for Democrats.

John Hickenlooper, the former governor of Colorado, has just dropped out of the presidential race

and announced he's going to run for Senate there against an incumbent Republican.

The Democrats also have a strong candidate running in Arizona.

When I look at it all, I'm left thinking that the Democrats are most definitely not doing all they could

...