Former President Donald Trump and former UN Ambassador Nikki Haley.Anna Moneymaker/Getty Images; Allison Joyce/Anadolu Agency via GettyNikki Haley is vowing to continue her presidential campaign after losing to Trump in New Hampshire.Her move is to force a potential final clash in her home state of South Carolina.The Palmetto State state has a reputation as the playground for dirty tricksters.American politics can get nasty.