Kaja Kallas is facing pressure to prove she has the experience and commitment to steer the European Union’s diplomacy beyond its eastern flank, particularly in response to the war in Gaza, multiple officials, lawmakers and analysts have told Euronews. Pending a confirmation vote by lawmakers, the former Estonian prime minister is poised to replace Josep Borrell in the EU’s top diplomatic role – the High Representative for Foreign Policy – helming the bloc’s external action in regions including Africa, Asia-Pacific and the Middle East. But Kallas – an outspoken Russia hawk and a driving force i…