At home, though, things may be a little more complicated. His wife of five years, Katie Miller, is now working closely with Elon Musk, who has emerged this week as the No. 1 enemy of the Big Beautiful Bill amid a fast-escalating feud with Trump.

A livid Stephen Miller fired back against Elon Musk’s criticisms of Donald Trump’s “Big, Beautiful Bill” without mentioning the billionaire by name. The top White House aide’s voice gradually rose as he touted the sprawling piece of legislation,

Trump aide Stephen Miller backed his boss’s tax bill in a post on X Friday. “The reconciliation bill cuts taxes, seals the border and reforms welfare,” the White House deputy chief of staff wrote. “It is not a spending bill.