Sen. Elizabeth Warren (D-MA) is demanding Deputy Defense Secretary Stephen Feinberg sever all ties to Cerberus Capital Management -- the private equity firm he co-founded and ran before joining the Pentagon -- citing serious conflict-of-interest concerns after at least four Cerberus-owned or partially owned companies were awarded contracts under the $185 billion Golden Dome missile-defense program he now oversees. On April 26, Warren told Feinberg in a letter that his continuing financial entanglement with Cerberus and his...