If vanity is the soft underbelly of maleness, a vulnerable area between the armor of masculinity and the kill zone, it appears it was Donald J. Trump’s famous self-regard that was the target when Nikki Haley ramped up her attacks on her opponent in New Hampshire this week. Soon after Mr. Trump appeared to confuse Ms. Haley in a speech with the former House Speaker Nancy Pelosi during a Friday night rally in New Hampshire, Ms. Haley pounced. “My parents are up in age, and I love them dearly,’’ said Ms. Haley, conjuring an image of doddering geezers rocking on the porch. “But when you see them hit a certain age, there is a decline. That’s a fact — ask any doctor, there is a decline.’’

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Persons: Donald J, Nikki Haley ramped, Trump, Haley, Nancy Pelosi, Haley pounced, “, ’ ’ Organizations: South, United Nations Locations: New Hampshire, South Carolina