believe they're going to need his base and his fund-raising ability come 2022. norah. >> o'donnell: it's an extraordinarily public battle. all right, nancy cordes, thank you. well, tonight, we're seeing more encouraging news in the fight against the coronavirus. for the first time since mid-march, the c.d.c. is predicting a drop in covid deaths in the coming weeks, and infections could see a sharp decline by july. here's cbs' mola lenghi. >> reporter: tonight, there is new hope in the battle to beat covid. the c.d.c. is projecting the number of new cases could fall sharply by summer. but, it comes with a warning: any drop could be delayed by continued decline in vaccinations. >> although we are seeing progress in terms of decreased cases, hospitalizations, and we h r this ogresse a wild cd >> reporter: this comes moderna late today announced that early results from an ongoing clinical trial indicate a booster shot should be protective against variants first identified in south africa and brazil, when taken in