Trump's decision has drawn criticism from lawmakers of both parties.
Trump is scheduled on Friday to deliver a keynote address at a bipartisan forum on criminal justice reform at Benedict College, a historically black college in South Carolina.
Trump tweeted that "the Iran sanctions have officially been cast. These are the most biting sanctions ever imposed, and in November they ratchet up to yet another level."
Trump also has said he might declare a national emergency at the border to circumvent Congress’ budgetary power by tapping Defense Department funds to pay for construction of a wall along the border with Mexico.
Trump said his doctor didn't recommend the drug to him but that he requested it from the White House physician.
Tsinghua University ranked ninth while Peking University took the 20th spot, according to the QS Graduate Employability Rankings 2019 released Tuesday by Quacquarelli Symonds, a British company specializing in education.
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Trump is expected to release the details of his massive infrastructure plan in January.
Trial of Brendt Christensen, accused kidnapper and killer of visiting Chinese scholar Zhang Yingying in 2017, began on Monday morning at a Federal courthouse in Peoria, US state of Illinois.
Trudeau said testing is key to the fight against COVID-19 and 20,000 tests are carried out in Canada every day. "Testing must increase even further before we can reopen and restart our normal activities as a country."
Trump did not explain what that meant and did not say whom he had in mind as a replacement. But the decision, first reported by The Associated Press, comes as his administration is struggling to deal with an influx of Central American migrants, which has led to a 12-year high in US-Mexico border crossings, straining the US immigration system.