Mr. Agha, who spent four years behind bars for organizing the kidnapping of United Nations officials in 2004, provided in a Wall Street Journal interview a rare glimpse of the Taliban's goals in the negotiating process.

WSJ: Detainee Deal Stalls Taliban Talks

"I can't do that every single year, " Federer told The Wall Street Journal in an interview before last year's U.S. Open.

WSJ: Paths Differ but Goals Same for Nadal, Federer

"Our guest knows that there's a limited supply, and it creates these fanatical shoppers, " Ms. Day told the Wall Street Journal in an interview last year.

WSJ: Lululemon Pulls Yoga Pants From Stores