But back in Washington, after her snapshot with the billionaire circulated online, Biden administration officials grew uneasy. Within the Biden administration, some top officials fear that between his business empire, his vast wealth and his political alliances, Musk, 51, is close to untouchable. Some administration officials have speculated that the government may someday need to break up Musk's empire as it did John D. Rockefeller's more than a century ago. Washington heavyweightEven before buying Twitter, Musk enjoyed outsized influence in Washington. Vital to BidenTo the extent that Musk is a problem for the Biden administration, it's one of interdependence.