On Tuesday night, CNN’s John King stood in front of his Magic Wall at the network’s Washington, D.C., bureau.

King worked his magic, calling up numbers from across the country. The Democrats were rolling up big wins in Ohio, North Carolina, Michigan, Maine, Kansas and, believe it or not, Texas. A blue ripple turned into a blue wave. A blue wave turned into a blue tsunami. And a blue tsunami turned into whatever Tuesday was — a hugely triumphant night for Democrats.

And what appeared to be a complete repudiation of President Donald Trump and the MAGA movement.

What the heck happened?

King joined me on the latest episode of “The Poynter Report Podcast” to talk about the midterms, and I asked him right out of the gate: When he woke up last Tuesday morning, did he expect such a dominant night for the Democrats?

“Not at the size or the scope,” King told me.

While King is known for his work in front of the Magic Wall on election night, he is most proud of his work out on the road — sitting at kitchen tables…