‘Trump Has Often Overpromised’: An Election Analyst on Midterm Hurdles

By Jessica Taylor and John Guida

Ms. Taylor is the Senate and governors editor of The Cook Political Report. Mr. Guida is an editor in Times Opinion.

Some say the midterm electoral map for Democrats is shrinking. Others that it’s expanding. Meanwhile, both parties are dealing with unruly factional battles.

With the summer primaries largely complete, the fields are (mostly) set for the midterms. Jessica Taylor, the Senate and governors editor of The Cook........

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