Dem 2020 primary casts long shadow over battle for Senate

CARY, N.C. — National Democrats have moved aggressively in must-win Senate races, wading into contested primaries and wooing candidates they think can compete in swing states around the country.

But there’s one factor out of their hands when it comes to winning back the Senate majority: The party’s presidential nominee and their outsized effect on critical down-ticket Senate races.

“It’s probably the single biggest variable outside of my control,” said Cal Cunningham, who is backed by the Democratic Senatorial Campaign Committee in a tough primary here in this battleground state.

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