More than $32 million in outside spending poured into four Chicago-area House contests, a tidal wave of cash led by groups tied to the American Israel Public Affairs Committee, the crypto sector and the artificial intelligence industry.

AIPAC and the A.I. industry wound up with split decisions. The crypto sector lost the two races where it spent roughly 90 percent of its money. And progressives failed to build momentum early in midterm primary season.

Here are four takeaways from primary night in Illinois: