well, the stage is now set for a potential presidential rematch. president biden has officially launched his re-election bid. he says the battle for the nation s soul as he s described it is not over, and he s ready to take on so-called maga extremists. and a new threat in war torn sudan. one of the warring factions seizing a laboratory in khartoum. samples of polio, measles, and cho cholera potentially exposed. and officials are warning a germ bomb could be released on the already devastated capital city. and parts of the midwest could see the worst flooding in 20 years here in the coming days. earlier than expected snow melt is pushing the mississippi river closer to cresting in parts of iowa, minnesota, and wisconsin. what this means for some of the major crops that americans depend on from those areas. we are following these major developing stories and many more all coming in right here to cnn news central. four years to the day after he launched his 2020 president
skepticism and beyond skepticism about him running again. more like, well, eventually he s going to come around to the idea really hahe s too old for this, that kind of thing. that changed of course dramatically you might say because the party seems to be behind him now. not voters, by the way, because that s not clear but party leaders, voters who want to challenge him otherwise. you had ro khanna on earlier. he was a big supporter during the democratic process, and people who you might think quietly consider explore challenging him never got there at all, didn t even take those steps because he is an incumbent president and because they realize that it tends to divide the party. it has happened before. ted kennedy against jimmy carter. there have been other instances, but in this case because they