The leading Fox News anchor Chris Wallace was the latest target of a Twitter attack from President Donald Trump. Trump sneered that Chris “will never be his father,” Mike Wallace. Mike Wallace was a legendary correspondent and host of 60 Minutes on CBS.

Chris Wallace and a small group of Fox News hosts have questioned the legality of the president’s June 25 Ukraine phone call. Trump tried to get President Volodymyr Zelensky of Ukraine to launch an investigation of former Vice-President Joe Biden and his son Hunter Biden.

While talking to a guest on his talk show Fox News Sunday, Chris Wallace referred to some documents and sought answers to the allegation of a quid pro quo of the president pressuring Zelensky for an investigation and the release of $400 million worth of military aid.

SLIDESHOW: TOP DEMOCRATS RUNNING FOR PRESIDENT IN 2020

Chris Wallace said from his reading and interpretation of just three documents, it appeared to him that both the Ukrainian officials and some US officials did think that there was a quid pro quo.