… Using the Gallup Organization’s daily tracking polls and weekly compilations of presidential approval ratings, I calculate that the default setting for the president’s public approval seems to be 39 or 40 percent in polls among all adults, usually a few points higher if the sample is limited to registered voters. …
One simple explanation is this: The people who support Trump have heard almost every imaginable ugly thing about him, but support him anyway and approve of the job he is doing. Nothing new is likely to change that. With the 55 or so percent who disapprove of him, there is very little, if anything, they could hear that will raise their esteem. Both sides have hardened into political concrete, and there are very few malleable opinions. CONT.
Charlie Cook