The book is based on interviews with 125 other leaders.

The book is based on interviews with more than 300 people involved in the campaign.

The article was based on interviews with senior Administration officials.

The survey was based on interviews with about 67,500 people around the country who are age 12 or older.

The piece is based on more than 200 interviews they conducted while there.

It is based on more than 3,000 interviews she conducted with women in the last three years.

The results are based on personal interviews and written questions answered by 8,814 people.

The characters, based on interviews, tell stories about things that have been lost.

Many articles about her, often based on interviews, say she never married.

The book is based on interviews with more than 100 current and former secret service agents.