It's commonplace to hear senior leaders and policy-makers questioning the value of them altogether.
Some employers are also questioning the value of an M.B.A. degree.
I am not the only parent — or teacher, for that matter — questioning the value of homework.
At the same time conservatives within Mr. Kostunica's circle are questioning the value of ties with NATO.
But it comes at a time when many are questioning the value of an all-girls educational experience.
And in the Obama administration, Attorney General Eric Holder is questioning the value of relentlessly expanding prisons.
However, experts are questioning the value of advice from those working in the sheltered world of independent schools.
"I was questioning the value of training, and trying to represent the diversity of options that are out there," he said.
At a time when some marketers may be questioning the value of associating with N.F.L. players, Campbell Soup is doubling down on its bet.
"In a time when people are questioning the value of lives and families," Ms. Crozier said, "our advertising is almost like an oasis".
With more than 37,000 new cases of thyroid cancer each year, questioning the value of screening for it could have a dire effect.
