A “Republicans for Harris” campaign launched in New Hampshire this week, targeting Republican voters in the swing state who are dissatisfied with former President Donald Trump and his platform.

Harris used a New Hampshire campaign stop on Wednesday to propose an expansion of tax incentives for small businesses. “You’re not only leaders in business. You’re civic leaders,” Harris said.

Harris has campaigned in New Hampshire before, when she launched an unsuccessful bid for the 2020 Democratic presidential nomination. At her first town hall event in the state in February 2019 ...