I agree with Josh Marshall on this. The brouhaha over Ezra Klein’s article agitating for Biden to drop out at this late date has been overwhelming and it’s not helpful. The idea of choosing a new candidate at the conventions is downright fanciful. Not gonna happen. I like Ezra. We are friendly acquaintances and he’s done a ton of good work so I’m not inclined to slag him. But he’s wrong about this and Josh Marshall has the best essay explaining why: A number of you have written in to ask about Ezra Klein’s audio essay “Democrats Have a Better Option Than Biden: It’s requires them to embrace an old-fashioned approach to winning a campaign.” Is it a good argument? Does it change the equation? What do I make of it? Just for the purposes of cutting to the chase: my answers are “not really,” “no” and “not much.” But Klein is a smart, articulate guy and sitting at the top of the Times op-ed page he has vast influence. So I wanted to break the argument down into its moving parts. Klein begins his essay by assuring us that he likes Joe Biden and actually thinks he’s done a good job as President. This is to soften the reader up and dispel any notion that he’s got some anti-Biden axe to grind. I don’t think Klein is disingenuous or cynical about this. I think he believes it. He not only doesn’t think age has hindered Biden in doing the…