As the noted philosopher Donald Rumsfeld said, there are known unknowns (the things you know you don't know) and unknown unknowns (the things you don't know you don't know). When the former ...

Nobody quite knows what’s going to happen next or who’s going to have the edge – or if there’s an edge to be had by anybody.

I found myself thinking of former Bush administration Secretary of Defense Donald Rumsfeld ... “There are known unknowns. That is to say, there are things that we know we don’t know ...

The first trading day of the quarter on Tuesday was a nervy affair ahead of U.S. President Donald Trump's "Liberation Day" on ...

So much so that I am reminded of the then US Secretary of Defence, Donald Rumsfeld's famous quote from 2002: “There are known unknowns… But there are also unknown unknowns. There are things we ...

Donald Rumsfeld, who served as the country's youngest ... who spoke with Rumsfeld for some 33 hours for 2014's The Unknown Known, took an opposing view and found him not even indecipherable.

February 2011 – Rumsfeld’s book, “Known and Unknown: A Memoir,” is published. August 29, 2013 – “The Unknown Known,” Errol Morris’ documentary about Rumsfeld, premieres at the ...

Ruthless, resilient and divisive - he served as secretary of defence twice in a career spanning decades.

"It is with deep sadness that we share the news of the passing of Donald Rumsfeld ... we don't know we don't know." Rumsfeld later titled his memoir "Known and Unknown." "Stuff happens," he ...