A subset of Alzheimer's cases may be caused by two copies of a single gene, new research showsMacron sets Ukraine war as top priority as China's Xi Jinping arrives in FranceMoney isn't enough to smooth the path for Republican candidates hoping to retake the SenateKyle Larson and Denny Hamlin, the dominant NASCAR Cup Series drivers, could have a blooming rivalryCoach Amorim vows to stay with Sporting Lisbon after winning another Portuguese leagueRelegationDouble European weightlifting champion Pielieshenko killed in Ukraine warABC News president Kim Godwin steps downGeorgia's attorney general says Savannah overstepped in outlawing guns in unlocked carsArsenal needs a favor from Tottenham in the title race. Current form suggests it won't happen