Matthew Engel charts the growth of Americanisms in the English language and explains why, as a former Washington correspondent, he thinks this is now a serious problem.
Four Thought is a series of talks which combine thought provoking ideas and engaging storytelling.
Recorded live in front of an audience at the RSA in London, speakers take to the stage to air their latest thinking on the trends, ideas, interests and passions that affect our culture and society.
Producer: Sheila Cook.
