Back in 2020 he was a supposed frontrunner struggling to look like one, fresh off a sluggish performance in the 2020 Iowa caucuses. He asked New Hampshire voters to help him flip the narrative and deliver him a comeback. He snarked back at critics, belittled a younger challenger and called one woman “a lying, dog-faced pony soldier” at a campaign event.
Then he skipped his own campaign party, headed to South Carolina, and finished a distant fifth in New Hampshire’s primary, faring worse than the former mayor of a midsized Midwestern city.
These are primary elections happening right now, and that’s what this relates to. In this case, Biden didn’t register to be in the Primary, and he won anyway by write-in. https://www.politico.com/news/2024/01/23/biden-new-hampshire-write-in-win-00137418