The colorful mayor of New York City, Ed Koch, used to walk the streets asking his constituents, “How’m I doin’?”

That’s one way to measure a politician’s job approval. Not particularly scientific, but maybe a better approach to getting a straight answer.

Survey results are so all over the map these days that politicos and pundits can find public survey data to support almost any issue, position or political narrative out there.

But in the process, those results defeat the very purpose of survey research: situation awareness.

Trump’s poll numbers are a case in point. As of Wednesday at noon on Real Clear Politics , the last 12 public surveys from mid-August to the beginning of September showed President Donald Trump’s job approval anywhere from +10 to -18.

That’s a 28-point differenc

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