Washington( CNN) It is the Trump dogma laid bare.

Refusing to break with Saudi strongman Mohammed bin Salman over the killing in the Saudi consulate in Istanbul , Trump effectively told global tyrants that if they side with him — Washington will turn a blind eye to actions that contravene traditional US values.

But more than that, by stressing the “billions” of dollars in Saudi investment in the US, Trump made clear that Washington has a price, that principles that generations of Americans have cherished, are for sale.

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