We start this evening with a promising update on the water crisis in Jackson, Mississippi, where most of the city's residents have been without running water for days. A team of UN inspectors are set to visit the Russian-controlled nuclear plant in southeastern Ukraine tomorrow. The FDA granted emergency use authorization to Pfizer and Moderna's COVID-19 booster vaccines today -- we'll fill you in on the next steps as officials prepare to get shots into arms soon. As economic conditions decline, two major companies are laying off a large share of their employees. Plus, clear skies in August have broken a 25-year streak.