The latest weekly tracking poll from Gallup gives Republicans a 10-point edge on the generic ballot, the party's largest lead ever -- yes, ever -- in the poll's more than six decades of asking the question in midterm elections.

Fifty-one percent of registered voters said they would vote for an unnamed Republican candidate for Congress this fall while 41 percent opted for a generic Democrat. The numbers mark the fifth straight week in which Republicans have held an edge on the question in Gallup polling.

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