Supreme Court Considers Legality Of Abortion Clinic Buffer Zones : NPR

Do boundaries meant to protect patients and staff outside abortion clinics violate the free speech rights of anti-abortion protesters? In 2000, the Supreme Court said no in a case involving "floating" buffer zones. But the issue is back before the court — which now has more conservative justices.

http://www.npr.org/2013/12/20/255870199/supreme-court-considers-legality-of-abortion-clinic-buffer-zones