Foreign powers test US defenses amid coronavirus pandemic BY ELLEN MITCHELL - 04/19/20 08:00 AM EDT U.S. adversaries are probing America's defenses as the world is preoccupied with the fight against the coronavirus pandemic. In the past two weeks, Russia, China, Iran and North Korea have all moved to test Washington in the sea, in the air and on land as U.S. forces have become more restricted in movement amid concerns over the spread of COVID-19. “Exactly how distracted is the U.S. military? They want to know,” said Susanna Blume, the director of the defense program at the Center for...