The alliance between Donald Trump and Elon Musk has dissolved into a public feud, marked by accusations and rebuttals. Trump addressed concerns about Musk's alleged drug use and the fairness of government subsidies to Tesla.

Elon Musk’s once-rosy relationship with President Donald Trump has turned sour in a high-profile political and financial feud that has played out publicly on social media. The fallout began after Musk stepped up his attacks on the sweeping tax and spending bill the president wants to see pushed through Congress,