Mystery grows around Tafari Campbell's death, former chef of the Obamas: authorities blank on motive for drowning call Sabrina Martin
Barack Obama's personal chef drowned near the former president's Martha's Vineyard home Sabrina Martin
Elon Musk reveals his conversation with Obama on artificial intelligence Sabrina Martin Joaquín Núñez
Biden confirms shift in official Iran policy by calling for an end to repression and supporting protesters Israel Duro