Other critics challenge the view that monetary policy can get Japan's economy moving.
They need to challenge the view that it is OK," she said.
We also need to challenge the view of these things as being specialised and difficult, things that other people do.
We wanted to challenge the view that all older people are incapacitated, both financially and due to lack of empowerment".
Her stylised portraits, mostly of Middle Eastern women, challenge the view held by many in the West that the veil is a symbol of oppression.
Even those of us who hail from south of the river don't challenge the view that the two roundabouts at its core are the armpit of London.
Nevertheless, the findings challenge the view that putting money in a savings account is the poor relation of investing in shares.
People must challenge the view that people become radicalised because of historic injustices, recent wars, poverty or hardship, David Cameron will say, describing such arguments as "grievance justification".
The figures also challenge the view put forward by Malcolm George, chief executive of the Association of British Bookmakers, that betting shops are the safest place to gamble.
I regret none of those things, but challenge the view that it was an expensive waste of time, energy and money.
But Palestinians, as well as some former Clinton officials, challenge the view held by Israelis and Mr. Clinton that the Camp David proposal was a generous offer.
