They see the result in Emilia-Romagna as proving their point.
Born into a modest peasant family, he tended sheep at the same time as proving a top-notch student.
As well as proving disastrous for millions of people, such a scenario might also end certain political careers.
We reveal the regional locations where house prices are soaring above average as well as proving popular with renters.
It doesn't hurt to show your enthusiasm as well as proving that you've thought about the logistics!
He pointed to other successful innovations, such as making the London Evening Standard free, as proving his critics wrong.
"I think these are all cost-effective ways of enhancing our influence," he said, as well as proving that the United States remains a reliable regional partner.
Getting to the bottom of Martin Armstrong's criminal case is about as difficult as proving, once and for all, that the Fibonacci sequence is God.
But opponents of hydraulic fracturing spun the study as proving that gas was no "bridge" to a climate-friendly global energy mix.
(An earlier estimate of 45 arrests — described by the mayor as proving the inherent goodness of New Yorkers — included crimes committed earlier).
But he conceded that it might be difficult for people who worked off the books to meet some requirements, such as proving economic loss.
