But they also know that Brazil must increase its exports, if it is to achieve faster growth and reassure investors that its foreign debt is manageable.

ECONOMIST: A battle against protectionist instincts

Yesterday, I interviewed Bill Martin, the economist who has made the most cogent case for being more optimistic about our potential growth rate - and for government efforts to achieve that faster growth.

BBC: It's economic growth, but not as we know it

Higher margins will allow e-commerce companies to pay more for acquisition and achieve scale faster compared to competitors.

FORBES: New Rules For E-Commerce

During the meeting he said he "pledged global support if they would move further and faster to achieve education for all".

BBC: Ex-PM Gordon Brown speaks out on Pakistan schools

Perhaps most importantly, intense pressure from heavily subsidized Chinese manufacturers is driving a surprisingly competitive solar market, forcing Solyndra to get costs down faster than the start-up firm could achieve.

FORBES: Solyndra's Failure Is No Reason To Abandon Federal Energy Innovation Policy

The faster a gravitational tractor is dispatched, the smaller and cheaper it need be to achieve its goal.

ECONOMIST: The American Association for the Advancement of Science