High Theory

In the 1820s, two families, unknown to each other, worked on farms in the American wilderness. It seemed unlikely that the families would ever meet—and yet, they did. The son of one family, the famed actor John Wilkes Booth, killed the son of the other, President Abraham Lincoln, in the most significant assassination in American history. The murder, however, did not come without warning—in fact, it had been foretold. In the Houses of Their Dead is the first book of the many thousands written about Lincoln to focus on the president's fascination with Spiritualism.

Beyond traditional threats from states such as China and Russia and non-state actors employing violent extremism, can America's politics and political system withstand the assaults of the Fifth Horseman and the new MAD, massive attacks of disruption? The COVID-19 pandemic, the January 6 insurrection and takeover of the US Capitol, SolarWinds cyberattacks, the Texas storms that cut power, and the blocking of the Suez Canal are harbingers of the new MAD. And the nation is unaware and unprepared to deal with them.

Richness or reach? For business leaders, it used to be a fundamental strategic tradeoff: focus on "rich information", customized products and services tailored to a niche market, or reach out to a broad, general market with watered-down information.