The range of analogies commonly utilised in public debate is depressingly small – almost any event of significance is related to either the international crises of the 1930s or the economic turmoil of the 1970s. Historians are equipped to enrich that pool with more exotic alternatives.
The article is surprisingly silent about the obvious alternative: social science. Economists and political scientists claim to use historical data in a disciplined, methodical way to make predictions. Personally, I don't buy that claim, but the author didn't think it worth discussing.