Sample tweet: "Oil price shocks have led to US recessions in 1974-75, 1980, 1990, 2001 and 2008-2009. 3 of these were caused by Mid East political shocks."
The New York University economist Nouriel Roubini gained fame for predicting the financial crisis. On @Nouriel, he dishes out his latest thoughts on global growth; these days, Dr. Doom is nervous about rising oil prices, rising food prices and bad debt. Links to articles from his forecasting firm, Roubini Global Economics, only take you to summaries, but Twitter is all about headlines anyway.