US President Donald Trump has announced in his State of the Union speech that he will hold a second nuclear summit with North Korea's leader this month.
In an address to the nation with the theme "Choosing Greatness", he vowed once again to build a border wall.
While appealing for political unity, the Republican president also said "ridiculous partisan investigations" could damage US prosperity.
In a rebuttal, Democrats accused Mr Trump of abandoning US values.
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His prime time address came less than a fortnight after he backed down to end the longest US government shutdown in history when Democrats refused to fund a US-Mexico border wall.
The president said in his 82-minute speech on Tuesday night that he would meet Kim Jong-un in Vietnam from 27-28 February.
"If I had not been elected president of the United States," Mr Trump said, "we would right now, in my opinion, be in a major war with North Korea.
"Much work remains to be done, but my relationship with Kim Jong-un is a good one."
