It is notable that the lower end of the range Mr Bush announced does in fact breach the 2, 000-warhead barrier, and the range itself was lower than the 2, 000-2, 500 proposed by Bill Clinton and Boris Yeltsin in a summit in Helsinki in 1997 (though the Clinton team was privately toying with a drop to about 1, 500).

ECONOMIST: Rock-solid allies? No. But certainly enemies no longer

The barrier banks face in providing a broad range of products, from cards to checking to investments and insurance, has been that the specialities are segregated by people, skills, licenses and supporting IT systems silos, in shorthand.

FORBES: U.S. Bank Adds Brokerage With Web Services

Unlike other sports, whose increasingly high ticket prices provide a barrier for many people and which result in a narrower range of spectators, racing lets its patrons in the door for a nominal fee and then lets them decide how much they want to spend to support the sport, in the form of how much they wager.

FORBES: Building A Better Racetrack Is Not A Losing Bet

Android recently crossed the 50% global market share barrier in the mobile OS market helped by both its wide range of manufacturer-partners as well as its free and open source roots.

FORBES: Google's Mobile Search Becoming More Valuable Than Traditional PC Search

In addition, EPA's and USDA's relevant authorities cover a range of natural resources and their supporting ecosystems, including waters, sediments, barrier islands, wetlands, soils, land management, air resources, and drinking water supplies.

WHITEHOUSE: Executive Order -- Gulf Coast Ecosystem Restoration

The bastion of its long-guarded independence is the mountain range known as Picos de Europa (the Peaks of Europe), a vast natural barrier sheltering the region from the south.

BBC: A culinary pilgrimage along the Way of St James