A tracking poll from Echelon Insights suggests a dynamic that may yet help Republicans limit the damage this fall: Republican voter enthusiasm is much closer to Democratic voter enthusiasm than it was for much of the prior year and a half.

Now, there are limits to how good this news is when you consider that Echelon’s voting sample (which self-reports as 40 percent Republican to 35 percent Democrat but, oddly, 49 percent Harris voters to 48 percent Trump) still gives Democrats........

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