A broad coalition of the Kennedy family will endorse President Biden on Thursday at a campaign rally in Philadelphia, pointedly rejecting one of their own in Robert F. Kennedy Jr., the independent candidate who many Democrats believe poses a significant threat to Mr. Biden’s re-election chances. Among the relatives of Mr. Kennedy expected to back Mr. Biden are his siblings …

An estimated 20 million people in southern Africa are facing what the United Nations calls “acute hunger” as one of the worst droughts in more than four decades shrivels crops, decimates livestock and, after years of rising food prices brought on by pandemic and war, spikes the price of corn, the region’s staple crop. Malawi, Zambia and Zimbabwe have all …

For a glimpse of where artificial intelligence is headed in election campaigns, look to India, the world’s largest democracy, as it starts heading to the polls on Friday. An A.I.-generated version of Prime Minister Narendra Modi that has been shared on WhatsApp shows the possibilities for hyperpersonalized outreach in a country with nearly a billion voters. In the video — …