The number of House Republicans vowing to oppose the Senate version is enough to block the bill’s passage, though past standoffs have been resolved after successful pressure campaigns by the president and party leaders. Given Republicans’ thin 220-212 majority, only three House Republicans need to join Democrats in opposing the bill to sink it.

The feud reignited on Monday when Musk, who spent hundreds of millions on Trump's re-election, renewed his criticism of Trump's tax-cut and spending bill, which would eliminate subsidies for electric vehicle purchases that have benefited Tesla,

Musk’s outrage over Trump’s signature legislation fuels a pledge to rejoin the political fray, despite the wounds he’s taken and the poor electoral record of mavericks.