Trump accuses impeachment witness of lying, defends Giuliani's use

Accusing impeachment witness of lying, US President Donald Trump defends use of his personal lawyer, Rudi Giuliani on Ukraine policy. During Democratic-led impeachment enquiry, Trump accused witness of lying and stated that Rudi Giuliani's 'crime-fighting' skills were needed to take on a corrupt country.

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Trump accuses witness of lying under oath 

Trump on Thursday took offence when a Unites States embassy official David Holmes testified under oath that he had heard a cellphone conversation on July 26 between Donald Trump and US Ambassador to European Union Gordon Sondland in which he claimed to have heard Trump asked if Ukraine would carry out politically motivated investigations against  2020 Democratic Party presidential primary candidate Joe Biden and into Russian interference into 2016 US Presidential elections. Later when President Trump was being interviewed he said that such call ever took place and that it was a 'phoney deal'.
Sondland was appointed  US Ambassador to European Union after he made a $1 million dollar donation to Trump's inaugural committee and while Somdland has described his relationship with Trump to be relaxed and understanding, Trump, on or hand, has said that he has talked to Sondland a few times and that he barely kws him.

In ar development that comes at a rar ipportune time for Trump is that  former national security advisor John Bolton has gotten back control of his personal Twitter account. In past after his exit from White House, Bolton had accused White House of blocking access to his account.
While, Bolton has declined to cooperate with impeachment inquiry, he has accused White House of blocking his access to his account after his exit back in September. Trump reportedly denied that White House had anything to do with blocking of Bolton's account.

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Reason behind impeachment

impeachment inquiry of Donald Trump centres around his decision to use Rudi Giuliani, a  private citizen and his personal lawyer to shape American policy toward Ukraine instead of using US Government officials or usually national security channels. Bolton was one of first White House officials to express alarm at Giuliani's actions and during hearings, current and former White House officials and diplomats voiced alarm at Giuliani's activities.
But Trump had continued to maintain that Giuliani was right man for job and that his skills were needed in order to tackle a corrupt country like Ukraine.