Many concerned citizens have gone a step further and offered specific ideas to improve it.

WSJ: Marco Rubio: The Immigration Reform Opportunity

But he has gone a step further, replanting a big chunk of his 400-hectare ranch.

CNN: STORY HIGHLIGHTS

And people have gone a step further, creating a range of colourful signals with the clothes they wear.

ECONOMIST: Smell, vision and genes: More colour, less odour | The

Others have gone a step further, setting up their own clothing firms.

ECONOMIST: Poland��s second city

Now community company Harlech and Ardudwy Leisure, which runs the pool, has gone a step further with the wall and a refurbished cafe.

BBC: Climbing wall for reprieved Harlech swimming pool

While Will Jennings, 28, and Rob Gratwicks, 20, from Reading, had gone a step further and were sporting fake moustaches in his honour.

BBC: Newsbeat - Music - The Killers rock the Albert Hall

But the team behind Zoe believe they have gone a step further by giving Zoe a range of human emotions expressed in her face and voice.

BBC: Zoe �C Cambridge��s emotional talking head

Cranfield School of Management in Britain has gone a step further, becoming the first business school to incorporate a popular online business-strategy game into its MBA programme.

ECONOMIST: News from the schools, February 2007

In the green budget, he has gone a step further.

ECONOMIST: New Labour, New Zealand

What if Bieber had gone a step further?

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And, pursuing this idea to its logical conclusion, Elementis Specialties, a British company, has gone one step further designing ionic solvents that themselves act as catalysts.

ECONOMIST: Ionic solvent