Michelle Obama opened up on “Call Her Daddy” about why voters hesitate to elect a female president and whether her husband would run for a third term in the law changes.

As Mrs. Obama defended her remarks from November that the country wasn’t ready for a woman as president, Gov. Gretchen Whitmer of Michigan offered a different view.

Former first lady Michelle Obama said in a new interview that the country is moving toward the direction of having a woman president — taking a softer approach after previously saying the country is ...