Protesters spread their dueling messages at a March for Life rally in 2016. Only 17 percent of Americans say they want the landmark Roe v. Wade ruling overturned, a new NPR/PBS NewsHour/Marist poll finds.

Protesters spread their dueling messages at a March for Life rally in 2016. Only 17 percent of Americans say they want the landmark Roe v. Wade ruling overturned, a new NPR/PBS NewsHour/Marist poll finds.