Experts warn that as well as Brexit, Iran is the first major foreign policy problem for Johnson, whom the U.S. president has lavishly praised.
Majorities of people in eight countries think immigration from mainly Muslim countries should be stopped.
A Chatham House report says shifting to a plant-based diet could drastically lower global greenhouse gas emissions.
The instinctive response is to bomb ISIS, but improving local governance will be more effective
A new report suggests that some facilities could be hacked using "nothing more than a flash drive."