Older followed the March 29 sentencing recommendation of a jury and sentenced all four defendants in the Tate–LaBianca murders — Charles Manson, Susan Atkins, Patricia Krenwinkel and Leslie Van Houten — to execution. The U.S. Supreme Court would find the death penalty to be unconstitutional and the four defendants' sentences would be reduced to life imprisonment. Died: Niclas y Glais (pen name for Thomas Evan Nicholas), 91, Welsh poet April 20, 1971 (Tuesday) The Supreme Court of the United States ruled unanimously, in Swann v. Charlotte-Mecklenburg Board of Education, that busing of students could be ordered to achieve racial desegregation. In Cambodia, renamed the Khmer Republic after the March 1970 coup d'etat that overthrew the monarchy, Lieutenant General Lon Nol resigned as Prime Minister, two months after suffering a stroke. He and his cabinet were asked by the nominal head of state, Cheng Heng, to remain until a new Premier could be chosen in elections. Lon transmitted his resignation letter to the nominal head of state, Cheng Heng. After a 13-day search in which nobody was willing to assume the office in the war-torn republic, Lon Nol agreed on May 3 to continue as the nominal Prime Minister with Lieutenant General Sisowath Sirik Matak would exercise most of the executive power. Died: Cecil Parker, 73, English actor April 21, 1971 (Wednesday) Prime Minister Siaka Stevens of Sierra Leone was inaugurated as the first president of the West African nation as the new constitution was ratified by the parliament. Herbert Choy, the American-born son of Korean parents, was confirmed by the U.S. Senate as the first federal judge of Asian descent. Choy would serve as a judge of the U.S. Ninth Circuit Court of Appeals until his death in 2004. In its first decision on a law against abortion, United States v. Vuitch, the U.S. Supreme Court upheld, by a margin of 5 to 2, the constitutionality of a District of Columbia statute that outlawed all abortions except for those performed by a physicians when "necessary for the preservation of the mother's life or health". Justice Hugo L. Black, writing for the majority set the precedent that in prosecution of an abortion, a government had the burden of proving that the healthy of the mother was not in danger and that in considering the mother's health, a physician could consider "psychological as well as physical well-being" of the mother, even if