As tech billionaire Elon Musk expands his influence over more than a dozen U.S. federal agencies, frustration is growing among some top aides to President Donald Trump, who want more coordination from Musk's team as he slashes the U.

A trickle of lawsuits against Elon Musk and his Department of Government Efficiency have become a flood. Fourteen states filed suit in federal court on Thursday, accusing President Donald Trump of illegally delegating executive powers to Musk in violation of the Appointments Clause of the U.