With only a little more than two months until Election Day, campaigns will be working overtime to convince voters whether they should adopt new partisan congressional maps.

Lofgren, the chair of California’s 43-member Democratic delegation, consulted in June with a trusted data expert who dismissed it as absurd — a foolhardy end-run around the state’s popular redistricting panel with no guarantee of yielding enough blue seats to fully offset Texas.

The California governor is adopting a combative social-media persona as well as partisan gerrymandering to counter the president.