Joni Lamb, who with her late husband founded the Daystar Television Network and guided it to become one of the world’s largest Christian TV networks, died Thursday. She was 65. Lamb, the network's president, had been suffering from serious health issues before sustaining a back injury that caused her health to deteriorate, the network said in a statement. A cause of death was not released. “Joni’s love for the Lord and for the people we serve shaped this ministry from the beginning,” the network’s board of directors said in the statement. The network said its ministry will continue on and that Lamb made sure a leadership team was in place. She and her husband, Marcus Lamb, who died in 2021, began broadcasting in the Dallas area with a single station in 1993. Five years later, Joni Lamb began hosting her signature daily women's show.…