Wall Street Journal: World

President Vladimir Putin formally ordered a suspension of Russia’s obligations under a Cold War-era nuclear treaty with the U.S., heightening the threat of a new arms race.

Opposition leader Juan Guaidó staged a dramatic return to Venezuela despite government threats to arrest him, energizing the country’s opposition and raising the stakes in the political showdown with President Nicolás Maduro’s government.

Meng Wanzhou claims her legal rights were violated when she was detained at Vancouver International Airport in December following an extradition arrest request from the U.S.

China and the U.S. are in the final stage of completing a trade deal, with Beijing offering to lower tariffs and other restrictions on American farm, chemical, auto and other products and Washington considering removing most, if not all, sanctions levied against Chinese products since last year.

A U.S. team working ahead of the nuclear talks in Hanoi found North Korea wasn’t willing to budge, expecting far more than they were prepared to give.

Brazilian mining giant Vale could face a close to $7 billion fine if convicted of colluding with safety auditors to hide unsafe conditions at the dam that collapsed and killed more than 180 people near Brumadinho.

Canada said the U.S. had presented enough evidence to proceed with the extradition hearing for a Huawei Technologies top executive, clearing the way for a case at the center of tensions between the U.S., China and Canada.

The president’s son-in-law wrapped up a Middle East tour to raise support for an Israeli-Palestinian peace plan, a swing that included his first meeting with the Saudi crown prince since the killing of journalist Jamal Khashoggi.

A summit that might have led to North Korea’s first tangible disarmament steps faltered because Pyongyang wouldn’t freeze all of its weapons programs and sought billions of dollars in sanctions relief, a senior State Department official said.

President Trump entered office determined to stop what he considered unfair practices by China. But he may now be tempted to settle, like his predecessors, for less-than-ironclad commitments, Greg Ip writes.