Trump was challenged by his former GOP foe in former UN Ambassador Nikki Haley to win over her supporters. And it may prove to be a tough sell. “It is now up to Donald Trump to earn the votes of those in our party and beyond it who did not support [him]. And I hope he does that,” Haley said when she officially suspended her run for president. Want more breaking political news? Click for the latest headlines at Raw Story. ALSO READ: Fresh scrutiny for Marjorie Taylor Greene after election violation CNN’s Wolf Blitzer on “The Situation Room” pointed out there are ‘warning signs in winning with b…