DAY 447: The Pentagon says Russia may escalate the war in Ukraine

<p>The new phase of the war could be even more violent, according to U.S. officials. Russia’s assault on civilian areas continues, as Putin reportedly appoints a new general to oversee the offensive. Also, Elon Musk decided not to join Twitter’s board of directors – leaving him free to expand his financial stake in the company. Jason Beardsley, Julia Davis, Bill Browder, Luke Broadwater, Chuck Rosenberg, Kate Kelly and Casey Newton join.</p>