(FILES) In this file photo taken on December 11, 2019 US Secretary of State Mike Pompeo holds a press conference at the State Department in Washington, DC. - Top US diplomat Mike Pompeo will travel to Ukraine, the country at the heart of the ongoing impeachment process against President Donald Trump, during a diplomatic tour in January, the State Department said on December 30, 2019. (Photo by SAUL LOEB / AFP) (Photo by SAUL LOEB/AFP via Getty Images)