WASHINGTON/KYIV: From US threats to cut off intelligence support for Ukraine to a diesel deal that could help Russia fund its war, it has been a bad week for ties between Kyiv and its most important ally, Washington. Frustrated by high energy costs he blames partly on Ukrainian strikes on Russian refineries, US President Donald Trump has repeatedly criticized Ukrainian President Volodymyr Zelensky. A disruption of US-provided satellite Internet services raised fears that Ukraine could be vulne
