Mr Gingrich may have opposed everything the Democrats did in the 1990s, but he also had a positive and radical manifesto, the Contract with America.

ECONOMIST: After the filibuster deal

You can each figure out how to generate radical positive benefits.

FORBES: This New Year: Transform Your Thinking

Sarvajal has the potential for radical positive benefits.

FORBES: The Radical Positive Impact X Factor

Too often we focus on the day to day decisions our businesses require of us and forget that we need be communicating how our businesses are going to create radical, positive change in the future.

FORBES: Iceland and the Netherlands: Great Models for CSR

Flying Dog advertises its status as the favoured drink of the celebrated radical journalist Hunter S Thompson, and a 2012 study found a positive correlation between the concentration of microbreweries in a state and its likelihood to vote for Barack Obama.

BBC: US craft beer: How it inspired British brewers