After an American U-2 spy plane detected Soviet Union-built nuclear missile sites in Cuba in October 1962, the world waited for 13 days — seemingly on the brink of nuclear war — for President John F.

This is Part 6 in a 7-part series about world poker champion and cognitive scientist Annie Duke, Ph.D. , whose insights follow each question below. To read from the start of the series, see Part 1.

Chanakya Niti teaches simple but powerful lessons on how to live wisely, choose the right people, and take action at the ...