Europes unity will be disappointed. We will hold the line and our unity will prevail. Brent Eu Commission president ursula von der leyen vowing to help greece to deal with thousands of refugees. Greece has been blocking thousands of them trying to cross its border from neighboring turkey. As the coronavirus continues to spread around the world, we will meet a Hong Kong Family that has been told to self bar. We will say how they and others like them are dealing with the isolation. Brent im brent goff. To our viewers on pbs in the United States and around the world, welcome. We start tonight in the United States where millions of people are casting ballots in the country super tuesday primaries. It is the biggest day of the camping Campaign Calendar for the Democratic Candidates still left in the race for the president ial nomination. Whats crucial about super tuesday is that 14 states are holding primaries today, under the system, the more votes a candidate gets in each state, the more