Welcome and Opening Remarks

          @misc{ scivideos_PIRSA:18050038,
            doi = {10.48660/18050038},
            url = {https://pirsa.org/18050038},
            author = {Turok, Neil},
            keywords = {Particle Physics},
            language = {en},
            title = {Welcome and Opening Remarks},
            publisher = {Perimeter Institute for Theoretical Physics},
            year = {2018},
            month = {may},
            note = {PIRSA:18050038 see, \url{https://scivideos.org/pirsa/18050038}}
          }