Harriet Tubman and Sojourner Truth were slaves by birth, freedom fighters by temperament.

High achievers, we imagine, were wired for greatness from birth. But then you have to wonder why, over time, natural talent seems to ignite in some people and dim in others.

The typical white American woman in 1800 gave birth seven times; by 1900, the average was down to 3.5.

freedom fighters.

If boomers were always looking to shock, millennials are eager to share.

In modern warfare, journalists are among the first responders, seeking out truth in the turmoil and wreckage, wherever it takes them.