Today is Pentecost Sunday — fifty days after the resurrection of Jesus Christ, the day the Holy Spirit was poured out on 120 faithful, waiting believers in an upper room in Jerusalem, and the church was born. They had no idea what they were waiting for. Jesus had said, "Stay until the promise comes." And so they stayed — praying, expecting, trusting. And when it came, it changed everything. Not just for them. For every single generation of believers who would follow, right do