Hitting the magic 60 will change the psychology of life in the upper house, emboldening the Democrats and enfeebling the Republicans.

ECONOMIST: Lexington

At times in the Delta MEND's insurgency was so intense that it shut in as much as a third of Nigeria's oil production, pushing up the world price of crude and enfeebling the Nigerian government, which depends on oil for about 80% of its revenues.

ECONOMIST: Nigeria