Donald Rumsfeld appears as gust on The Late Show with Stephen Colbert

On 'Hannity,' former secretary of defense talks strategy to defeat terror group, weighs in on the 2016 race​ 

Rumsfeld’s evolution from Eagle Scout to app developer took root longer ago than you’d expect, in 1973, when he was U.S. ambassador to NATO. 

Game lovers and history buffs are on the march to try out Churchill Solitaire, the new videogame developed by 83-year-old former Defense Secretary Donald Rumsfeld and named for Winston Churchill.

How does a former secretary of defense relax, when the need arises? For Donald Rumsfeld, a competitive game of Churchill Solitaire does the trick. Secretary Rumsfeld now wants to help you play, and he joins TODAY's Matt Lauer to discuss the app he helped develop for the age-old competition.

...I'll cut to the chase—it's made me reconsider Solitaire as a diversion worth my time in this age of blockbuster games and social media, and I don't think that's the scotch talking...

What happens when you cross a former defense secretary, a cigar-smoking former British prime minister and a much-loved card game?

The answer is “Churchill Solitaire”...

Who would ever guess that former U.S. Secretary of Defense Donald Rumsfeld had the itch to make games?

Now available on a mobile device near you: an app designed by Winston Churchill and Donald Rumsfeld.

In every game of solitaire there are many known knowns, but it is a version that perhaps stresses the known unknowns that a certain former secretary of defense is turning into a videogame.