The world was warned of extremely severe dangers unless urgent steps are taken to deal with global warming.

When leaders carry out policies for decades that have no consequences for the stated goal and are very costly, you have to ask whether they are telling you the truth or whether the policies are for a different goal, because they are not reducing drug use.

Suppose Vietnam could separate itself from the American dominated global system and carry out a successful social and economic development. Then that is very dangerous because then it could be a model to other movements and groups in neighboring countries. And gradually there could be an erosion from within by indigenous forces of American domination of the region.

There was also a national policy, which as a child I didn't know anything about. In 1924 the first major immigration law was passed. Before that, there was an Oriental Exclusion Act, but other than that, European immigrants like my parents were generally admitted in the early years of the twentieth century. But that ended in 1924 with an immigration law that was largely directed against Jews and Italians.

We shouldn't be looking for heroes, we should be looking for good ideas.

The big change, the really radical change in communication, was in the late 19th century. The shift from sailing ships to telegraph is astronomical. Everything since then has been small increments, including the internet. So you don't have to wait for a letter to get to England in six weeks, you have almost instant communication. That was an enormous shift.

There have been repeated cases when nuclear war came ominously close, often a result of malfunctioning of early-warning systems and other accidents, sometimes [as a result of] highly adventurist acts of political leaders.