Speakers: 1. Lynn Preheim 2. David Barfield - jump to this point: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Ryqlk5S85Z8.htmlm30s 3. Peter Balleau - jump to this point: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Ryqlk5S85Z8.htmlm39s 4. Lynn Prehem - jump to this point: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-Ryqlk5S85Z8.htmlm15s