ATLANTA – Carey Mullis believes she was put on this earth to nurse. But she’s not sure whether she can take the pandemic’s toll in her south Georgia hospital any more. COVID-19 has turned Georgia’s chronic nursing shortage into a crisis, one whose effects may be felt for years to come. As exhausted staff bear the crushing fourth wave that is building here from the delta variant, many COVID-19 nurses with long experience are quitting, moving to calmer jobs or barely hanging on. In a state that already had one of the nation’s lowest ratios of nurses to population, job postings for nurses jumped ...