80 years since the liberation of Auschwitz, survivors returned for a somber ceremony, determined to make sure the world never forgets. NBC News’ Jesse Kirsch reports.

Facebook's Compromise on Free Speech: Insider's Revelations

Major stock indexes fell sharply Monday, continuing a sell-off that gathered steam last week. Rattled investors began zeroing in on the prospect of a significant falloff in U.S. growth amid uncertainty surrounding Trump's tariff strategy. In an interview that aired over the weekend, President Trump didn’t rule out the possibility of a recession as a result of his trade policies. NBC News' Brian Cheung and Kelly O’Donnell report on the latest.