He urged Trump to pursue a peaceful solution by supporting those within North Korea to oppose Kim Jong Un. The U.S. has no energy to prevent it.
Dumont noted that the USA is evaluating North Korea's ability to target heavily populated areas of South Korea with long-range artillery, rockets and ballistic missiles.
"We may have a meeting with Putin", he said.
A key US ally, South Korea is home to more than 50 million people.
South Korea's Foreign Minister Kang Kyung-wha is interviewed by NBC News' Lester Holt.
A report by the Congressional Research Service released last month estimates as many as 25 million people on either side of the border, including more than 100,000 USA citizens, could be affected by an escalation of a military conflict on the Korean peninsula.
South Korea's recent agreement with China to try to end disputes over an advanced US missile defense system deployed in South Korea could be an issue.
Robert Park was tortured after crossing into North Korea on Christmas Day 2009.
A report by the Congressional Research Service released last month estimates that as many as 25 million people on either side of the border, including more than 100,000 USA citizens, could be affected by an escalation of a military conflict on the Korean Peninsula.
He is warning North Korea's heavily persecuted Christian minority will be the first to suffer if Trump doesn't back down.
Trump repeated that the era of strategic patience, in attempting to deal with Pyongyang, is over. "The regime continues development of its unlawful weapons programs including its illegal nuclear tests and outrageous launches of ballistic missiles directly over Japanese territory are a threat to the civilized world and global peace and stability".
North Korea has conducted about 20 ballistic missile tests this year in defiance of U.N. resolutions, including two intercontinental ballistic missile tests that experts said suggest that a missile could reach parts of the United States.
Critics say the South Korean moves, dubbed by local media as its "Three No" policies, could undermine the operational capability of the allied South Korea-U.S. forces and Trump's push to bolter three-way cooperation with Seoul and Tokyo to put more pressure on Pyongyang.
Although Pyongyang has revived a threat to test a hydrogen bomb above the Pacific, the country has been relatively quiet when it comes to actions the United States considers particularly provocative: testing missiles and nuclear weapons. But he declined to answer a Japanese reporter's question about whether he is prepared to go to war with North Korea. It also wants nothing short of full normalization of relations with the USA and to be treated with respect and as an equal in the global arena.