I’ve been taking the under on Nikki Haley for several weeks now and I’ve been wrong every time. So I looked under the hood on the South Carolina results and what I see is a signal that Trump is weaker than he looks. Let’s start with the exit polls. Haley kept it close: independent voters made up 22 percent of the electorate and she won them 62-37. South Carolina is an open primary, so this was a case of independents showing up to vote against Trump in a meaningless contest. That’s bad news for him. Among people who thought the...
