“Robert F. Kennedy Jr. is unleashing the force of his political movement to oust two-term Republican US Senator Bill Cassidy in Louisiana’s Republican primary after more than a year of tensions between the two men,” Bloomberg reports. “Kennedy, the secretary for Health and Human Services, will learn in Saturday’s contest whether the web of nonprofits and activists who fueled his failed 2024 presidential campaign — but was potent enough to help sway the election and ensure a top position for him in Donald Trump’s cabinet — holds enough power to help unseat a senator who coasted to victory in his last election.”