<YONHAP PHOTO-2286> FILE--In this March 13, 2018, file photo, President Donald Trump talks with reporters as he reviews border wall prototypes in San Diego. In his threat Tuesday, April 3, 2018, to use the military on the U.S.-Mexico border until his promised wall is built, Trump again heaped blame on his predecessor, Barack Obama, and congressional Democrats for creating a dangerous and dysfunctional border. (AP Photo/Evan Vucci, file)/2018-04-04 05:17:48/ <저작권자 ⓒ 1980-2018 ㈜연합뉴스. 무단 전재 재배포 금지.>
FILE--In this March 13, 2018, file photo, President Donald Trump talks with reporters as he reviews border wall prototypes in San Diego. In his threat Tuesday, April 3, 2018, to use the military on the U.S.-Mexico border until his promised wall is built, Trump again heaped blame on his predecessor, Barack Obama, and congressional Democrats for creating a dangerous and dysfunctional border. (AP Photo/Evan Vucci, file)/2018-04-04 05:17:48/ <저작권자 ⓒ 1980-2018 ㈜연합뉴스. 무단 전재 재배포 금지.>

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