On this edition for Sunday, June 3, a letter sent by President Trump's legal team is raising constitutional questions, and a look at Robert F. Kennedy's legacy 50 ...
========== >> Sreenivasan: ON THIS EDITION FOR SUNDAY JUNE 3: THE TRUMP LEGAL TEAM MEMO, RAISING CONSTITUTIONAL QUESTIONS. A LOOK AT ROBERT KENNEDY'S LEGACY, 50 YEARS AFTER HIS ASSASSINATION. AND, NAVAJO LIFE SEEN ON A MONUMENTAL SCALE. NEXT ON PBS NEWSHOUR WEEKEND. FROM THE TISCH WNET STUDIOS AT LINCOLN CENTER IN NEW YORK, HARI SREENIVASAN. >> Sreenivasan: GOOD EVENING AND THANK YOU FOR JOINING US. TODAY, CHINA WARNED OF A TRADE WAR IF THE UNITED STATES INCREASES TARIFFS. THE CANADIAN PRIME MINISTER USED THE TERMS "INSULTING AND UNACCEPTABLE" IN RESPONSE TO NEW U.S. TARIFFS ON HIS COUNTRY'S STEEL AND ALUMINUM. AND THE PLANNED HISTORIC SUMMIT BETWEEN PRESIDENT TRUMP AND NORTH KOREA'S LEADER KIM JONG UN IS NOW LESS THAN ...