FILE – Tesla CEO Elon Musk departs from the justice center in Wilmington, Del., Tuesday, July 13, 2021. Democrats are hoping to raise revenue for their legislative agenda by taxing the assets of billionaires — a proposal getting pushback from Elon Musk. Musk, the richest person in the world, tweeted Thursday, Oct. 28, 2021 that his plan for the money he would have to pay in taxes is “to get humanity to Mars and preserve the light of consciousness.”(AP Photo/Matt Rourke, file)