Theological Foundations Weekend 2026 was a conference for young people sponsored by the Great Lakes - Gulf Presbytery of the Reformed Presbyterian Church of North America. This year it was held at Southfield Reformed Presbyterian Church, Southfield, MI. This is session 4 of 4: 1. "Presbyterian Church Government" (Jake Schwartz) 2. "Christ's Mediatorial Kingship" (Adam Kuehner) 3. "Exclusive Psalmody" (Adam Kuehner) 4. "The Christian Sabbath" (Adam Kuehner)