BRUSSELS — Kaja Kallas’ troubles started on her first day. The EU’s top diplomat was on a trip to Kyiv when she tweeted: “[T]he European Union wants Ukraine to win this war” against Russia. Some EU ...

Former Estonian Prime Minister Kaja Kallas is making waves as the European Union's top foreign policy official. At a time of rising tension between the EU and the U.S. and a fortifying bloc of ...

For Kallas, Russia's invasion of Ukraine has been the 'making of her global reputation'. | Credit: Adam Berry / Getty Images Former Estonian Prime Minister Kaja Kallas is making waves as the ...