Transcript for Trump enters talks with Moon amid uncertainty over North Korea summit

President will meet today with south curious president at the White House amid growing concern. About whether next month's historic summit with Kim Jung un can actually be a success. During today's meeting the president will be look and find out whether South Korea believes. Kim is willing to negotiate about ending his nuclear program. The north recently threatened to pull out of the summit over the issue and last night vice president Mike Pence said president trump is willing to walk away from the summit's. If the north is not negotiating in good faith.

This transcript has been automatically generated and may not be 100% accurate.