There could be little, if any doubt, about Mitch McConnell’s partisan credentials.

The U.S. Senate majority leader, though, has just removed any possible benefit of the doubt. The man plays pure, raw, partisan politics better (or worse) than anyone else in Washington, D.C.

Consider his answer to this question recently: If a seat on the Supreme Court came open in 2020, the final full year of Donald Trump’s term as president, would he seek to confirm the nominee?

McConnell’s answer: “Oh, I’d fill it.”

Just four years ago, he had the chance to “fill” a seat on the high court upon the sudden and unexpected death of Justice Antonin Scalia. His response in 2016, the final full year of President Obama’s tenure in the White House, was markedly different from what he said to the crowd in Paducah, Ky.

McConnell said immediately upon Scalia’s death that Obama would not fill the vacancy. McConnell would block any attempt for a Democratic president to replace a conservative justice appointed by a Republican president; in this case, it was President Reagan who nominated Scalia.

Obama nominated Merrick Garland to the SCOTUS. The Senate didn’t give him a hearing. Key Republican senators never even met the fellow. His nomination withered and died. We elected a new president in November 2016 — and it happened to be Donald Trump!

Oh, but now we have a GOP president in office. If a vacancy were to develop on the court, McConnell — also a Republican — would move to fill the vacancy.

Just think that this partisan hack has the gall, the stones, the chutzpah to suggest Democrats are “playing politics.”

This guy, McConnell, plays the political game with the best of ’em.

Sen. McConnell’s thinly disguised contempt for fairness — to my way of thinking — is what gives politics and politicians a bad name.