10 points

Los Angeles Times: “A month after Rep. Darrell Issa (R-CA) won reelection in the closest congressional race in the country, the congressman got a warning that his next contest could be even tougher. An internal poll by Issa’s campaign showed a nearly 10-percentage point drop in his favorability ratings between mid-October and early December — and that one likely reason the lawmaker’s image took a hit was because of his support for President Trump.”

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