"I have huge doubts about free models," he says.
Mr. Duncan Smith stepped up his attack, calling for an independent inquiry and saying the episode created for the Labor government "huge doubts about their probity, huge doubts about their honesty".
That he has now failed in his endeavour raises huge doubts about the Tories' ability to regain their lost votes from UKIP in the coming general election.
England bowler James Anderson says he had "huge doubts" about bowling following Phillip Hughes's death.
They should not have any huge doubts about their ability to win in Belfast, it is just about getting across the line.
"In the week after, I was having huge doubts about how I'd go about bowling and whether I'd want to bowl the short ball," Anderson told BBC Radio 5 live.
People who were right about the Iraq War are raising huge doubts about the administration's case for war.
Republican presidential candidate Ted Cruz's support for reviving the gold standard is likely giving establishment Republicans huge doubts about embracing him.
This money comes from undisclosed sources, and the secretive nature of these millions in contributions raises huge doubts about who these sources are, what their motives are, and what industries and countries they come from.
The main reason is that it comes at a time of huge national doubt about France's future, and an equally huge loss of faith in its ruling political elite, both right and left.
