By Mikey Smith & Charlie Jones Donald Trump is set to give the key note speech at the Conservative Political Action Conference. The four-day conference has hosted right-wing figures from across the world including the new president of Argentina, right-wing populist Javier Milei. Former President Donald Trump is looking to win his fourth straight primary state on Saturday over Nikki Haley in South Carolina, aiming to hand a home-state embarrassment to his last remaining major rival for the Republican nomination. Trump went into the primary with a huge polling lead and the backing of the state’s…