This week, the United States weighs how to respond to another alleged chemical weapons attack in Syria; tensions increase between Taiwan and China; the Catalonian secession crisis continues; and more.

For a country that has traditionally preferred low-key diplomacy to avoid antagonizing its larger neighbor to the north, Vietnam last month publicly engaged in a string of activities to strengthen deterrence against China in the South China Sea, writes Derek Grossman.

This week, Syrian rebels evacuate Ghouta; the Trump administration imposes more tariffs; Finland hosts talks between the United States, South Korea, and North Korea; and more.

This week, President Trump introduces tariffs on aluminum and steel; Italy elects an entirely new government; the crisis in Syria continues; and more.