Ambassador Barbara Stephenson speaks on arts as a form of diplomacy for Week Seven “The Arts and Global Understanding” morning lecture by Maggie Prosser on August 7, 2018 share The arts are diplomatic, according to Ambassador Barbara Stephenson. Stephenson spoke to music’s role in diplomacy at the 10:45 a.m. morning lecture on Chautauqua Institution’s 144th birthday Tuesday, Aug. 7, in the Amphitheater, continuing Week