ARLINGTON, Va. — Republican presidential candidate Nikki Haley is billing herself as the person who can forge a national consensus on abortion, citing her experience creating a consensus around another highly contentious debate during her tenure as governor of South Carolina.Haley, who formerly served as governor of South Carolina and United States Ambassador to the United Nations during the Trump administration, gave a speech on abortion before a crowd of pro-life activists at the headquarters of Susan B. Anthony Pro-Life America on Tuesday. In her speech, Haley expressed a desire to “start a constructive conversation about where we go from...