Say this much for Thursday’s presidential debate in Atlanta: It’s got to be better than the boorish display we suffered through in 2020 when Donald Trump went off the rails. The rules for this one include two welcome changes. The big one is that microphones will be shut off once the candidate hits his time limit. So, we won’t have to suffer the spectacle of Trump’s relentless interruptions, which prompted Joe Biden’s best line of the debate: “Will you shut up, man?” It’s a safe bet that Trump will break these new rules, too, by talking past his allotted time. But while his gums will flap, we w…