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(FILES) In this file photo taken on November 28, 2019, US President Donald Trump speaks to the troops during a surprise Thanksgiving day visit at Bagram Air Field in Afghanistan. - President Donald Trump has shattered through norms and niceties on the world stage in his nearly three years in office. Entering an election year, Trump is unlikely to slow down as he seeks what has largely eluded him -- a headline-grabbing victory. The tycoon turned president closes 2019 with a new stride after what was perhaps his most unambiguous achievement -- US commandos' raid that killed the leader of the Islamic State extremist group. But the year was also full of tosses and turns for Trump. On his ambition to end the war in Afghanistan, he startled Washington by inviting the Taliban to talks but then declared the talks dead before resuming them. (Photo by Olivier Douliery / AFP) (Photo by OLIVIER DOULIERY/AFP via Getty Images)