* Democrats expected to accept GOP offer to push debt deadline to December
* CDC director says US at risk of severe flu season this year
* Biden and Xi agree on holding a US-China virtual summit
* Fed Chair Powell’s renomination at risk amid new political risks
* Natural-gas prices pull back as Russia agrees to boost supplies to Europe
* Analysts warn that Europe becoming hostage to Russia over energy supplies
* World’s first malaria vaccine approved for use in Africa
* GM predicts its transition to all-electric vehicle lineup will boost sales
* US companies added workers at fastest pace in three months in September: