City Council Speaker Melissa Mark-Viverito and the as-always-irrepressible Donald Trump make for an odd couple (in the fullest sense of the term).

They have sharply differing worldviews, yet they’re joined at the hip on one critical point: Neither seems to care if their words, which thrill core supporters, happen to bewilder — and squander credibility with — everyone else.

Mark-Viverito is badgering NBC to deep-six a scheduled Trump gig on Saturday Night Live on the grounds that the builder says “hurtful” things — and hurt shouldn’t be allowed on national TV. Or something like that.

And Trump has been trolling fellow GOP presidential candidate Jeb Bush by blaming 9/11 on George W. Bush. Trump doesn’t explicitly accuse Dubya of causing the attacks — it’s more like trutherism by implication — but the charge is a shameful slander nevertheless.

Read the article “Donald Trump is Doing America a Service” on nypost.com.