The Trump mutation wasn’t fit for survival

For a while, Donald Trump seemed like a new breed of human predator — a mutation, singularly adept at scavenging, dismembering and devouring.

For four turbulent seasons on the D.C. savanna, it looked like he might overcome an entire ecosystem’s delicate balances and hold dominion over all.

But the mutation — Trump’s formidable greed and solipsism — was no…