"After reform, the GSEs will not exist in the same form as they did in the past, " Geithner said in his written testimony.

FORBES: Magazine Article

But, given her admission that detainees have been transported to third countries for interrogation, the presumption must be that undisclosed detention centres do exist or have done in the past where such interrogations take place.

ECONOMIST: Extraordinary renditions

The duplication paradox emerges when time travelers exist in the same time and place as their past or future selves.

WSJ: The Four Rules of Time-Travel Movies

Over half of the funds that American mutual-fund companies started up during the 1990s no longer exist today, according to Mr Bogle, and 900 funds failed in the past three years alone.

ECONOMIST: Ogling Bogle | The

The main character, Billy Pilgrim, is kidnapped by small green aliens called Tralfamadorians, who teach him the true nature of time: that all moments in the past, present and future exist always, and that death is just an unpleasant moment, neither an end nor a beginning.

ECONOMIST: Kurt Vonnegut | The

After so many financial crises in the past 40 years most reasonable people would now accept that bubbles in asset markets can exist.

ECONOMIST: Buttonwood

Artistic talent, past and present, will still exist in the world and I can honor it in my own way.

FORBES: When Postmodern Art Attacks Western Civilization

While no hard data exist, Yawn says the Preventive Task Force has been asked to review significantly more screenings in the past four years.

FORBES: Magazine Article

In the past, relevant documents have turned up after Iraq claimed that they did not exist.

ECONOMIST: Assessing the evidence against Saddam Hussein