From now on we live in a world where man has walked on the Moon. It's not a miracle; we just decided to go.
Since 1957, black people have experienced double-digit unemployment - in good times and bad times. Look at the population of African Americans in prison. They represent more than half the population of prisoners in the country, 55 percent of those on death row.
I believe the most intricate plot won't matter much to readers if they don't care about the characters, especially in a series. So I try to focus hard on making each character, whether villain or hero, have an interesting flaw that readers can relate to.

