Thomas Sowell discusses his new book Intellectuals and Society

The 9/11 attacks on the US were 25 years ago this week and, while there hasn’t been a second such shock, questions remain as to the Free World’s preparedness, whether a divided America can rediscover unity, and the strength of international alliances. Phillip Zelikow, the Hoover Institution’s Botha-Chan senior fellow and executive director of the 9/11 Commission, discusses lessons learned from the attack.

Is the progressive dream of wealth taxes soon to be reality – or a fiscal and economic nightmare – should voters approve Proposition 40 and a one-time 5% tax on the holdings of the Golden State’s billionaire class? And 25 years after one of the darkest days in the republic’s history, what is the legacy of the 9/11 attacks on America?

The Panama Canal—the transoceanic waterway through which five percent of global commerce flows—is critical for U.S. national security.