An ocean-going tug, the Nikolay Chiker, was about 27 miles off Stronsay in Orkney on Friday morning.

BBC: Russian warships leave Moray Firth for Atlantic

And there's a tug of war going on between the Joint Chiefs and General Petraeus and his staff.

NPR: GAO Sees Lagging Progress in Iraq

"There's a tug-of-war going on as to which one is going to be the ultimate benchmark, " said Michael Sabo, senior commodities broker at RJO Futures.

WSJ: Brent Benchmark Is Skewed by Crude Measure