Chinese health officials announce drive to accelerate vaccinations of older people against Covid. Low vaccination rates among older people are one of the hurdles to easing the zero-Covid policy. Biden asks US Congress to block railroad strike that could ‘devastate economy’ Arizona secretary of state sues after Republican officials refuse to certify county election results. New Guardian US editor Betsy Reed lays out some of our key priorities for 2023. Giving Tuesday: help us raise $1m to cover crucial issues in 2023, but we already know what our new year’s resolutions are – but we need your help, and why your donations are so important. We are very grateful to be able to carry on with our work with our reporting in . . .