“Buttoned-up” and “conventional” are hardly ideas that come to mind when thinking about Donald Trump’s presidential campaigns, but observers across the political spectrum have struggled not to notice a different feel to Trump 2024. The evolution has been stark. In 2016, lack of experience, leaks, firings and controversy battered an ahead-of-its-time campaign strategy that ultimately carried Trump over the goal line. Four years later, a Trump campaign under the cloud of a global pandemic proved too sluggish to tackle the myriad of new voting measures Biden’s machine managed to exploit to the fu…