Are We Going to Repeat the Bankrupt Policies of the 1930s?

"As stated before on a number of occasions economists understand many of the mistakes made during the Great Depression, so countries should not be making those same mistakes again. Wrong! One of the mistakes made in the 1930s were the various protectionist polices of countries, thereby hampering international trade, exacerbating the economic problems of the time. Well it looks like we may be doing it again. Text in bold is my emphasis. "