Good evening from New York. I'm Chris Hayes. Thank you for joining us tonight for the special

two-hour edition of All In. As this Memorial Day weekend comes to a close, we are now entering the

home stretch of the midterm primaries, which means we are almost there, almost at the point where we

know exactly what the playing field is going to look like into those November elections.

Now, a huge missing piece of the puzzle is going to be filled in Texas tomorrow, one of the most watch races in the entire country.

That's where incumbent Republican Senator John Cornyn appears to be, according to the latest polls,

headed for a primary loss in the Republican primary in a runoff against Penn

Paxton, the Trump-endorsed, almost comically scandal-ridden state attorney general. And it's a race

that could give the Democratic nominee, James Tolariko, a better shot at that Senate seat

come November. We're also starting to get a clear overall picture of the context of these midterms

as Donald Trump's approval rating hits a new low for his second term.

In fact, in some polling averages, he's below any polling he's ever had across both terms, and that includes the week after January 6th.

In this one, just 31%, according to polling by the American Research Group, late last week.

Democrats have a wide lead over Republicans

on what's called a congressional, generic congressional ballot. You ask people they're going to vote

for the Democrat or the Republican. It's 11% in the latest Sienna, New York Times polling.

That poll has been one of the most reliably and reliable and best over the last few cycles.

So those are excellent numbers for Democrats.

In an ordinary election year, they would be in Blue Wave territory. But you got to look at

the asterisk, right? Because thanks to the off-year, unprecedented, widespread, multi-state

gerrymandering arms race that Donald Trump explicitly started and that Republicans acceded to and are following,

there are a net total of six fewer competitive House seats for Democrats to contest. Now, it might

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