The world's first trillionaire threatened to sue Rep. Ro Khanna (D-Calif.) for citing a study on his potentially lethal decisions as the former head of DOGE. Rep. Ro Khanna (D-Calif.) on Monday challenged Elon Musk to a televised debate about his impact as former head of the so-called Department of Government Efficiency after Musk, the world’s first trillionaire , threatened to sue Khanna for citing a troubling study. The California Democrat dared the SpaceX and Tesla CEO during an interview