“The Trump Administration will not cut Social Security, Medicare, or Medicaid benefits. President Trump himself has said it ( over and over and over again),” the White House said in a fact sheet this week.. Experts do worry about other risks to the system, thanks to threats President Donald Trump and Musk have been making.

The involvement of Antonio Gracias, an investor who has known Elon Musk for two decades, suggests that Mr. Musk has made overhauling the Social Security Administration a priority.

Pinned to the top of Elon Musk’s X account is a six-minute clip of his recent three-hour interview with the podcaster Joe Rogan.