‘Our lives depend on it:’ Former U.S. Ambassador Samantha Power concluded the 2020 Chautauqua Lecture Series with a plan for how America can reach ‘diplomacy at its best’ by Jamie Landers on August 29, 2020 share Of every role Samantha Power has served in her lifetime — diplomat, author, journalist, professor and scholar — none has been more meaningful than United States Ambassador to the United Nations. During her time as