Office Hours: What kind of presidential candidate — and supporters — would cause opponents to fear for their lives?

And what should be America’s response?

Friends,

Nikki Haley has applied for Secret Service protection as the number of threats against her has soared, a campaign spokeswoman confirmed yesterday.

The threats come as Trump has ratcheted up his attacks on Haley, escalating vicious assaults on her character, her career, her origins, and her beliefs. Many of his assertions are lies.