gregory --elcome dr. , president of the university of texas at austin.

gregory --elcome dr. , president of the university of texas at austin. [applause] good evening. address,o the keynote the vietnam war summit. the university of texas is truly honored to welcome secretary of state, john kerry. just last friday, on earth day, secretary kerry helped lead 175 countries in signing the landmark paris agreement on climate change. [applause] >> there is a lot of work to achieve the goals of the agreement. earlier today, the secretary toward -- toured our research where we are developing technologies to generate renewable energy. he led a discussion with faculty, his research -- whose research can help achieve the goals of the agreement. secretary kerry was focused and knowledgeable about the technology and science and the policy and business issues involved in reaching those goals. tonight, we are very much looking forward to hearing the secretary's thoughts on a very different topic. histhat is so important to life experience. the vietnam war remains a complicated and controversial part of american history. as a young boy, i grew up during the vietnam