A lot happens every day. Alliances shift, leaders change, and conflicts erupt. With In Brief, we’ll help you make sense of it all. Each week, experts will dig deep on a single issue happening in the world to help you better understand it.***Last week, Azerbaijan launched a military operation into the breakaway enclave of Nagorno-Karabakh, home to approximately 120,000 ethnic Armenians. The offensive lasted just 24 hours and ended in a ceasefire that would bring the territory entirely under Baku’s control. Now, an estimated 13,000 ethnic Armenians have fled from the enclave and the Armenian government has said that an “ethnic cleansing”