Wednesday's top stories:
• Gov. Kevin Stitt is standing firm on his stance that Oklahoma public schools should not be allowed to require masks as students return to the classroom amid a significant spike in COVID-19 infections driven by the more contagious Delta variant.
• Several Texas school districts say they will defy that state's ban on school mask mandates.
• The Tulsa Public Schools Board of Education is scheduled to consider possible litigation against the governor regarding the prohibition on mask requirements.