The U.S is threatening further sanctions against the Nord Stream 2 natural gas pipeline linking Russia and Germany.
The route, which saves more than 10 days of travel, is a test case for a Russian energy company that wants to ship gas to China through the summer.
The Asian giant will soon launch the last location-tracking satellite for a system that has economic, communications and military applications.
Demand for oil is falling so quickly that even a reduction in supply will take some time to affect markets.
Russia has leveraged its oil and gas market power to enhance its influence in the Middle East, just as the U.S. is pulling back from the region.
Book publishers are cashing in on the public's intrigue.
The next steps are up to Barr, Congress and likely the federal courts.
The editor of the Organized Crime and Corruption Reporting Project describes how the complex system worked.
A two-day summit with North Korea's Kim Jong Un was announced at this year's State of the Union address.
The indictment accuses Stone of lying to Congress and tampering with witnesses.