Non-state actors are on the rise, climate and population change are new sources of tension.

BBC: Army to lose 17 units amid job cuts

But the request to hold off the change comes after several high-tension days at NYSE and growing concerns among traders that the initiation of Reg NMS today will jam up communications among exchanges.

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Does that kind of change often lead to the kind of tension that we see there?

NPR: Big Urban Schools Grapple with Multiple Problems

This peculiar tension, immovable object and irresistible force, is unlikely to change before election day.

ECONOMIST: Trick or treat?

If the working relationship is causing tension at home, the couple should look at ways to shift work responsibilities or change the reporting structure.

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