brain-twister

And "Awake," which doesn't yet have a time slot, is a brain-twister set in two alternate realities: one in which the protagonist's wife dies in an accident, and the other in which his son dies.

Comedy Block, Music Buoy NBC's Prime-Time Hopes Sam Schechner 2011

  Withdrawal would undoubtedly be far less of a brain-twister if Washington simply committed itself wholeheartedly to getting out, and if it stopped convincing itself that the presence of the U.S. military in distant lands was essential to a better world (and, of course, to a controlling position on planet Earth).

Tom Engelhardt: Yes, We Could... Get Out! Why We Won't Leave Afghanistan or Iraq 2010

So how did this no-brainer become a brain-twister?

Gore: We Got It Wrong Eight Years Ago. Let's Get It Right This Time. 2009

Remember Donald Rumsfeld's brain-twister in the run-up to the Iraq invasion?

Michael Sigman: Psychotic Reaction 2009

This is really a brain-twister for the Hamlets who are still walking the ramparts undecided after months of listening to the ten TV debates, having donuts and a cup of Joe with the candidates in the coffee shops in Waterloo or Oskaloosa.

Marvin Kitman: As Iowa Goes, So Goes.... 2008

So how did this no-brainer become a brain-twister?

Vice-President Al Gore at the Democratic National Convention 2008

So how did this no-brainer become a brain-twister?

Vice-President Al Gore at the Democratic National Convention 2008

At thirty, I looked about fifteen years younger than I had when I was twenty a brain-twister, but true!

The Truth About Beauty Kat James 2007

At thirty, I looked about fifteen years younger than I had when I was twenty a brain-twister, but true!

The Truth About Beauty Kat James 2007

Yet the biggest brain-twister -- how to get these machines to fit into our expressive society.

CNN Transcript Oct 15, 2007 2007