linda lee bravo disappeared ne ju 13th. we will update you as we get i morenformation on the story. >>> new tonight, high stakes internional diplomacy by tw eet. while traveling in japan, esident trump invited the north korean leader to meet in person. in the tweet mr. tmp offered to say hello and shake hands with kim jong-un at the demilitarized zone between north and south korea. as the president met with the saudi crown prince on the sidelines of the g-20 summit is th evening, reporters asked him about the unusual invitation. >> i said if chairman kim would want to meet, i'll be at the border. certainly we seem to get along e well. >> if the two men meet tomorrow, it will be the first time a u.s. and north korean leader have met >>> well, we watched 20 democratic candidates battle overhe last two nights right here on nbc. today many were back on the campaign trail, some doing damage contro others hoping to capitize on their performance. we caught up with "meat the press's" chuck todd who is back in washington this evenin