Working to determine why a cargo jetliner crashed saturday near houston. Reporter the key here is to find the black boxes. Theyre likely somewhere in this debris field. Glor and a story of a love lost during the vietnam war. Now found again. It was the most astounding news my mind and soul had ever taken in. Dickerson good evening, this is our western edition. Im john dickerson. Jeff glor is in vietnam, and well hear from him in a moment. The stage is set for the second highstakes summit between President Trump and north koreas kim jongun. This hour, the president is flying to vietnam. And hes expected there tomorrow morning. Kim left north korea by train on saturday and arrived a short time ago at the vietnam border. The North Koreans have developed missiles and a Nuclear Weapons program that potentially could threaten the united states. Convincing them to abandon those is at the heart of this meeting. We have comprehensive coverage throughout vietnam. Jeff glor is in ho chi minh city
Two studies, conducted 40 years apart, show how combining field observations and thermal modeling can reconstruct the history of massive lava flows and how they altered the surrounding landscape.