Once in a while, as I peruse the morning headlines, I can’t help but ask myself: What would I have thought if I’d seen these stories 10 years ago? I’m always shaken by what it looks like from that perspective. It’s not as if shocking events hadn’t taken place in the decade before that. The 9/11 attacks came as a total shock and the financial crisis of 2008 was as close as I’d ever come to experiencing cataclysmic economic dislocation. But those, at least, were on par with historical world events like Pearl Harbor and the Great Depression, so there was a sense that they were not entirely unprecedented. On Thursday I read headlines that former President Donald Trump was turning himself in to be arrested for the fourth time, two of those arrests stemming from his attempt to overturn the election in 2020, another for stealing classified documents and yet another for illegally paying hush money to a porn star with whom he’d had an affair. Other headlines tell me that the first Republican presidential primary debate was held without the frontrunner in attendance — that frontrunner being Donald Trump, the man with the four felony indictments. Today that seems like just another day in American politics. In 2013, I would have laughed at the sheer absurdity of the entire premise. But ever since Trump won the Republican nomination in 2016, nothing has ever been normal in American politics — and it’s getting weirder every day. Wednesday night’s GOP…