By holding nuclear drills and boasting about a successful test of a pioneering atomic-powered cruise missile, Russian President Vladimir Putin is sending a message to President Donald Trump: Moscow won’t be cowed into making concessions on Ukraine.

FRANKFURT, Germany (AP) – The U.S. and the European Union are hitting Russia with another round of sanctions, aiming to cut into oil and gas export earnings that fund Moscow’s war against Ukraine.

Former President Joe Biden called these “dark days” as he urged Americans to stay optimistic and not to check out in response to what he says are attacks on free speech and tests on the limits of executive power by President Donald Trump.