At Supreme Court, South Dakota's recreational marijuana fight finds attorneys sparring over 'single-subject' rule The hour-long arguments were held Wednesday, April 28 at the South Dakota Supreme Court's courtroom in Pierre. It is not yet known when the court will rule. Written By: Christopher Vondracek | × The South Dakota Supreme Court hears argument on Wednesday, April 21, 2021 in a case to declare Amendment A unconstitutional. Voters passed the measure, legalizing recreational marijuana last November. Joe Sneve / Pool photo PIERRE, S.D. — The proponents of a marijuana legalization effort and attorneys representing two law enforcement agents, who sued to overturn that measure with Gov. Kristi Noem's blessing, squared off in the South Dakota Supreme Court on Wednesday, April 28 — with justices peppering the litigants with a flurry of questions about what all acknowledged was a historic case.