A social media feud erupted between Elon Musk and Indian-American Congressman Ro Khanna after the California Democrat said tech trillionaire "needs to answer" for the deaths of 4.5 million children linked to his Department of Government Efficiency cuts. "Time to sue this liar," Musk responded to his claim. Khanna, a potential 2028 presidential contender, challenged Musk to a televised debate.