Russia is experiencing a wave of false-alarm bomb threat phonecalls that have resulted in the evacuation of more than 400,000 people have been evacuated from more than 1,000 shopping malls, airports, and government and other buildings around the country since last week (more). Nobody has claimed responsibility, and the government has not found the perpetrators.
The opponents of the Joint Comprehensive Plan of Action (the Iran nuclear deal) are dragging out the same old arguments and vituperation. Here is a defense of the plan from Adam Szubin, who negotiated the issues around sanctions for the deal. Jeffrey Lewis outlines the parallels with North Korea. All the other countries involved will support the deal if the US pulls out. Here’s a down-in-the weeds argument against an opposition argument that moves into unjustified assumptions about Iran’s conduct.
Decoding Kim’s speech and the Pacific threat (top photo from here). The meaning of Kim Jong Un’s rebuttal to Trump. Here’s an excellent summary of the trajectories of US ballistic missiles toward North Korea; many of the paths cross Russian or Chinese territory. How South Korea was brought into the nuclear nonproliferation regime.
Astronomy as the flashpoint for an international incident: The discovery of the planet Neptune.