News ‘Hostile questions’ on tap for Kurt Volker, Trump’s former special envoy for Ukraine October 3, 2019October 3, 2019 Deirdre Shesgreen and Ledyard King, USA TODAY Comments Off on ‘Hostile questions’ on tap for Kurt Volker, Trump’s former special envoy for Ukraine Diplomat Kurt Volker played a central role in connecting Rudy Giuliani with Ukrainian officials – a step critics say was highly inappropriate.