Trump's words came one day after Pyongyang released a series of positive signals over the denuclearization of the Korean Peninsula.
Trump has singled out MSNBC host Mika Brzezinski and CNN for some of his most biting criticism, and hardly is backing down in the face of widespread condemnation from the political class.
Trump administration's actions trigger concerns about business conflicts between world's two largest economies
Trump said he would not directly benefit from hosting the G7 at his golf resort: "From my standpoint, I'm not going to make any money. In my opinion, I'm not going to make any money."
Trump and Johnson had spoken earlier on Tuesday in an unscheduled separate meeting. Trump tweeted that they "talked about numerous subjects including NATO and trade".
Trump's decision to withdraw US troops in Syria was one of the reasons that led to the resignation of Defense Secretary James Mattis on Thursday, according to media reports.
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Trump believed that Mexico had done little to stop Central American immigrants on their way to the United States through the Mexican territory, and has even threatened to erect a wall on the southern US border.
Trump also announced a visit to the wounded city on Wednesday "to meet with law enforcement, first responders and the families of the victims," following his scheduled visit to the hurricane devastated island of Puerto Rico Tuesday.
Tsinghua University is a pioneer in this field. In 2013, it launched x-Lab, a university-based platform designed to foster student innovation and entrepreneurship. X-Lab operates under the auspices of the School of Economics and Management and links 14 schools and departments across the university.
Trump's campaign then issued a statement agreeing to push the showdown to Oct 22, but proposed holding what would be the third debate on Oct 29. The Biden campaign rejected the new later date.