“Republicans are playing defense on an expanding electoral map, spending hundreds of millions of dollars in the final weeks of the midterms to prevent a Democratic takeover of Congress as campaigns nationwide reach a fever pitch,” the Wall Street Journal reports.“With less than three weeks until the midterms, deep-pocketed GOP groups are trying to push struggling candidates over the finish line, while President Trump and Vice President JD Vance are crisscrossing the country to shore up Republican support in red areas that seemed virtually unassailable just months ago.”“Democrats, working to capitalize on Trump’s weak approval ratings and economic concerns in the wake of the war in Iran, have expanded their target map into more Republican-leaning territory.”Axios: Unexpected House battles pop up deep in Trump country.