Aside from the obvious political slant, polls also change so the media makes more money off of political campaigns. They will sway in one direction to get the other to spend more on advertising, then back the other way a few weeks later to fleece the other side. Notice how the polls ALWAYS tighten up right before election day? It's to get both sides to spend as much money as possible.
Everything they tell you is a lie, or designed to manipulate and deceive you and any relationship to the truth is purely coincidental.
Aside from the obvious political slant, polls also change so the media makes more money off of political campaigns. They will sway in one direction to get the other to spend more on advertising, then back the other way a few weeks later to fleece the other side. Notice how the polls ALWAYS tighten up right before election day? It's to get both sides to spend as much money as possible.
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+34 Democrat voters