在洛杉矶因美国总统特朗普 (Trump)的移民政策发生数日骚乱后，抗议活动蔓延至旧金山，考验该市新任温和派市长的决心。

SAN FRANCISCO, June 12 (Xinhua) -- Boeing President and CEO Kelly Ortberg on Thursday said a Boeing team stands ready to support the investigation led by India's Aircraft Accident Investigation Bureau ...