These 19-11 teams often start slow, lose key contributors to injury (or academics), or implode as the season wears on.

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Then, it lost its star batsman, Kevin Pietersen, and its captain, Andrew Strauss, both key contributors to the team's recent success.

WSJ: Tip of the Day

Harry Winston said higher rough diamond prices and better high-end jewelry demand were key contributors to its performance during the quarter.

FORBES: Luxury Demand Gets Boost From China's Diamond Appetite

One of the key contributors to that group, Prof Gus John, resigned accusing the mayor and his administration of a lack of real commitment to understanding and finding viable remedies for the problem of serious youth violence.

BBC: Mayor Boris Johnson's violent youth scheme criticised

With compelling content, a massive audience, and an active set of contributors, this community is key to aligning 50 Cent not just with his own music but with the global Hip Hop population.

FORBES: Social Media: Evolving From Broadcasting To Conversation

As the eurozone's two biggest economies - and biggest contributors to its bailout funds - Germany and France are key decision-makers over the strategy supposed to pull Europe out of crisis.

BBC: France's Hollande is in Berlin for talks with Merkel

Fourth, African nations are essential contributors both to intra-African military operations that help stabilize the African continent and also to many key UN multilateral peacekeeping missions.

CENTERFORSECURITYPOLICY: AFRICOM proceeds apace