Global network reporter Hou Jiaxin] after being bombarded by Obama and Harris at the National Congress, trump launched a “no name” response. < / P > < p > “he secretly monitored my campaign and got caught!” On August 19, local time, trump wrote the sentence on twitter in capital letters. Although he did not name him, many foreign media, including the New York Post, believed that trump was responding to the severe criticism of former President Barack Obama at the US National Congress. In a subsequent tweet, trump went on to say, “why did he endorse Joe, who was slow-moving, towards the end of [the primary], even though it would have been very late? Why did he try to get (Biden) out of the race? ” According to the report, trump criticized Obama for announcing his support for Biden late in the primary election process. In addition to Obama, trump seems to have made a mockery of Biden’s running mate, Kamala Harris. “But didn’t she say he was racist?” he tweeted? Didn’t she say he was incompetent? ” Similarly, the tweet does not mention who “she” and “he” refer to. But the BBC believes that the “she” in Trump’s tweet refers to Harris and “he” refers to Biden. According to the report, Harris had previously attacked Biden because of race issues. On August 19, local time, the US National Congress entered its third day. Former US President Barack Obama, former Secretary of State Hillary Clinton, speaker of the house of Representatives Pelosi and others stormed trump in their speeches at the conference. Obama said on the same day that although he never expected trump to agree with his own views or continue his own policies, he never believed that trump would regard being president as “anything other than a reality show to attract the attention he craves.”. < / P > < p > “for the sake of our country, I do hope trump will show a little interest in taking his work seriously.” “Trump is not up to the job right now because he’s not competent,” he said. The consequences of this failure are serious. ” In addition, Harris criticized trump for “leadership failure” at the conference. “Donald Trump’s failure has cost people lives and livelihoods.” “Our president turned our tragedy into a political weapon,” she said The National Congress of the United States was held from 17 to 20 local time. This is the 49th National Congress in the history of the United States. The theme of the conference is “unite America”. Joe Biden, the former vice president, was officially nominated by the US National Congress as the candidate for president in 2020 on the evening of 18th local time. Biden is scheduled to deliver a long-distance speech in Delaware, where he lives, on the evening of the 20th to officially accept the party’s nomination. It will be the first time since 1944 that presidential candidates from a major U.S. political party have accepted nominations remotely.