Spanish officials said the police were questioning a string of new witnesses in the investigation, including one who may have seen one of the bombers.

You may begin to question your own beliefs and values, including those about your spirituality or faith.

An audit last year questioned $85,000 in expenditures by student government officials, including thousands spent on limousines with cellular telephones.

But it questioned the standards or competence of some professionals in the market, including those who place outside names on underwriting syndicates.

She questioned $3 million in bonuses to the university's senior managers, including the outgoing president, Stuart Cook.

"I raised my daughters to question everything - to weigh all opinions, including mine."

Others, though, questioned some of Mr. Brown's assumptions, including the idea that industry would step forward to provide services often supplied by the Government.

It randomly questioned 2,043 adults, including 376 who were 65 and older.

Beyond that, he questioned her honesty about even the most basic things, including her stated name and age.

But after using the car in two races, crews are questioning some of those very issues, including the car's safety and whether it will tighten competition.