The troll tried and failed to sabotage G20 support for the Paris climate agreement.

However, the US under Obama sabotaged the agreement itself. How about making a new, stronger one -- without US participation -- then pressuring the US to join it?

It takes time for the economy to adjust to fewer low-paid foreign migrant workers. In the short time, this causes dislocation.

Over a few years, Americans will adapt to taking the jobs migrant workers used to take, when these jobs are offered at decent pay rates. This is what the market is good at.

One adaptation needed will be to change the habits and laws that exclude a substantial fraction of Americans from so many kinds of jobs. A journalist published where the troll got the video he used to threaten CNN with violence, and now the journalist is receiving death threats from neo-Nazi supporters of the troll.

Why a ‘Cashless’ Society Would Hurt the Poor: A Lesson from India.

The deeper cause of the big London housing project fire is a state determined to shrink and downgrade public housing.

More than 120 countries agree to a treaty to ban all nuclear weapons.

The hard part is to get the countries with nuclear weapons to sign on.