 The Supreme Court upheld the ACLU's position.Some pro-choice activists have also argued that anyone convicted of anti-abortion violence should be permanently banned from protesting outside abortion clinics.Professor Jacob M. Appel of New York University has argued that "much as we do not permit convicted pedophiles to teach kindergarten or convicted hijackers to board airplanes, common sense dictates that individuals who have been imprisoned for plotting violence against abortion clinics should never again be permitted anywhere near such facilities.