As he retreats from Washington, Elon Musk says he will spend “a lot less” on politics. Close advisers say he is eager to return to prior obsessions.

Tech billionaire Elon Musk was born in South Africa but emigrated at age 17 and eventually became a naturalized U.S. citizen.

Elon Musk reaffirms commitment to Tesla and addresses political backlash, saying he’ll reduce campaign spending.

The Congressional Budget Office has estimated the project could cost as much as $831 billion over the next 20 years.

Elon Musk said he took the backlash against his electric automaker Tesla personally, though he declined to say he regretted the political activity that sparked the "massive violence."

Elon Musk has a history of making projections that don’t end up coming to pass. Some of them are silly: Shortly after acquiring Twitter, he said he expected it to surpass a billion monthly users by mid-2024 (estimates for that year put the number around a third that many ).