Now playing Next world news Letter reveals Einstein's fears of growing nationalism, anti-Semitism The 1922 letter shows he was concerned about Germany's future a full year before the Nazis attempted their first coup — the failed Munich Beer Hall Putsch. 09/11/2018
Now playing Next world news Euroviews. Why late-night comedians became some of 2018's best political analysts Comedian Stephen Colbert and company did an excellent job of putting election night in perspective. 08/11/2018
Now playing Next world news Prince Charles: I won't be a 'meddling' monarch if I become king The heir to Britain's throne is outspoken on organic and traditional farming, wildlife conservation, herbal medicine and urban planning. 08/11/2018
Now playing Next world news Prices rose 833,997 percent in Venezuela over the past year The IMF expects hyperinflation to reach 10 million percent in 2019. 08/11/2018
Now playing Next world news Europe Briefing: EPP congress and blasphemy lawyer flees Take a look back at the biggest stories from across Europe this morning. 08/11/2018
Now playing Next world news Canada apologizes for turning away Nazi-era ship of Jewish refugees The German liner MS St. Louis was carrying 907 Jewish Germans fleeing the Nazis in 1939. More than 250 later died in the Holocaust. 08/11/2018
Now playing Next world news Ryanair fires crew members who staged photo sleeping on airport floor The airline said the crew members' behavior "damaged their employer's reputation." 07/11/2018
Now playing Next world news Euroviews. Liberals, put the midterm champagne away | View The midterms prove the president's message still reflects the serious concerns of many average Americans. 07/11/2018
Now playing Next world news Jewish students mark 80th anniversary of Kristallnacht in Berlin The students prayed in Hebrew and German and lit six white candles to commemorate the synagogues that were burned down, as well as the 6 million people who perished in the Holocaust. 07/11/2018
Now playing Next world news ISIS dumped up to 12,000 people in mass graves, U.N. says The dead include women, children, the elderly and disabled, as well as members of Iraq's armed forces and police, according to a new report. 07/11/2018
Now playing Next world news Medical school in Japan to admit dozens of unfairly rejected women Tokyo Medical University acknowledged in August that it has been reducing female applicants' entrance exam scores for years to keep the numbers of female students low. 07/11/2018
Now playing Next world news Dozens of kidnapped kids are freed in Cameroon "They look tired and psychologically tortured," one church official said. 07/11/2018
Now playing Next world news Boeing warns pilots about 'angle of attack' sensors after 737 MAX crash The safety message affects all 200 of the aircraft in service worldwide. 07/11/2018
Now playing Next world news High-level talks between U.S., North Korea are postponed at the last minute "It is a shame that the meeting is not happening," a South Korean official said. 07/11/2018
Now playing Next world news Brexit 'bad boy' faces fine after voters got marketing emails He is already being investigated by Britain's national crime agency over the source of $10.4 million in loans used to finance his Leave.EU movement. 06/11/2018
Now playing Next world news French authorities arrest 6 in planned attack on President Emmanuel Macron The suspects had an "imprecise and loosely-formed" plan. 06/11/2018
Now playing Next world news Alleged pre-election meddling by NATO member sparks anger in Ukraine The issue of foreign passports being handed out in a region with a strong ethnic enclave is especially sensitive in Ukraine. 06/11/2018
Now playing Next world news Former Nazi guard, 94, goes on trial in German juvenile court Johann Rehbogen, 94, is being tried in juvenile court because he was under 21 at the time he served as a guard at the Nazis' Stutthof concentration camp. 06/11/2018
Now playing Next world news Bill Gates shows off jar of human feces as he unveils $200M toilet Poor sanitation kills half a million children under the age of five annually and costs $200 billion a year in healthcare costs and lost income worldwide. 06/11/2018
Now playing Next world news Five arrested after 'vile' model Grenfell Tower burning video "To disrespect those who lost their lives at Grenfell Tower, as well as their families and loved ones, is utterly unacceptable," Prime Minister Theresa May said. 06/11/2018