Our methodology focuses on supply and demand, historical capital spending, and pricing patterns that repeat themselves during every shortage and every downturn.

FORBES: Why Semiconductors are Like Airlines & Shipping

On the fiscal issues where Obama has repeatedly clashed with Capitol Hill Republicans in the past two years, Zelizer warns that recent events could repeat themselves.

CNN: STORY HIGHLIGHTS

In a repeat of earlier episodes, African statesmen found themselves insisting that the colonel had accepted a ceasefire even as his forces continued to pound Misrata, a rebel-held city in western Libya that has withstood a two-month siege.

ECONOMIST: Libya v Libya

There is a risk that history will repeat itself, as millions of poor and low income families find themselves at their weakest and most vulnerable point in the aftermath of the crises.

FORBES: Inclusive Crises and Exclusive Recoveries?