GOP Primary Could Become a Darwinian Struggle
Nikki Haley’s entry into the Republican presidential-nomination contest last week makes it a two-person race between the former United Nations ambassador and the former president who named her to that post, Donald Trump. But it won’t be long before at least a half-a-dozen more join the fray, many also from the inner circle of his presidency, including former Vice President Mike Pence and former Secretary of State Mike Pompeo.