The dramatic power play began Friday, continued through the weekend -- and poses extraordinary and unprecedented threats to US security, lawmakers say

Elon Musk has reportedly taken over the Treasury Department’s central payment system, putting him in the position to unilaterally cut off federal funding to disfavored programs and setting off accusations that the U.

Boston College history professor Heather Cox Richardson characterized Elon Musk's actions over the weekend as "the largest data breach in human history." Here's what happened.