When they don't, it's because they didn't make the demonstration that it would work.
On November 3rd, 2011. See this statement in context.
On November 3rd, 2011. See this statement in context.
November 3rd, 2011 / 4:20 p.m.
Senior Assistant Deputy Minister, Income Security and Social Development, Branch, Department of Human Resources and Skills Development
When they don't, it's because they didn't make the demonstration that it would work.
See context to find out what was said next.