Gov. Greg Abbott appealed for out-of-state help Monday to fight the third wave of COVID-19 in Texas. The request came as a county-owned hospital in Houston raised tents to accommodate their COVID-19 overflow. Private hospitals in the county already were requiring their staff to be vaccinated against the coronavirus.... ...Abbott has directed the Texas Department of State Health Services to use staffing agencies to find additional medical staff from beyond the state’s borders as the delta wave began to overwhelm its present staffing resources. He also has sent a letter to the Texas Hospital Association to request that hospitals postpone...