President Biden has secured his first official primary victory of the 2024 campaign in South Carolina tonight. “As I said four years ago, this campaign is for everyone who has been knocked down, counted out and left behind. That is still true today,” Biden said in response to his win. “In 2020, it was the voters of South Carolina who proved the pundits wrong, breathed new life into our campaign, and set us on the path to winning the Presidency,” he recalled. “Now in 2024, the people of South Carolina have spoken again and I have no doubt that you have set us on the path to winning the Presiden…