The brain then adds the sense of depth, just as it would when seeing the real world from two slightly different perspectives.

ECONOMIST: Animation takes on a whole new reality

The conflict reminded me of a column I wrote several years ago about inequality in Christmas presents -- and how Amy and I come at it from two very different perspectives.

WSJ: Time With Mom and Dad: Making It Fair

We're about to hear two very different perspectives from Iraq.

NPR: Iraqis Worried About Increasing Violence

Joining us now are two well-known conservative analysts who have written about this issue for years, but from very different perspectives.

NPR: Immigration Bill Collapses, Debate Continues