LM Otero / APWeatherTornado ravages Dallas, knocking out power and leaving path of destruction WATCH: Intensity of Dallas tornado captured by eyewitness videoWATCH: Aerial video shows devastating tornado aftermath in Dallas
John Brecher / for NBC NewsTech NewsMark Zuckerberg: Facebook caught Russia and Iran trying to interfere in 2020WATCH: Mark Zuckerberg defends Facebook's political ad policy
MENAHEM KAHANA / AFP - Getty ImagesWorldNetanyahu says he can't form a government after election deadlock
Susan Walsh / APOpinionThe fundamental flaw in the impeachment inquiryRepublicans seek to censure Schiff, accuse him of 'false retelling' of Trump-Ukraine call
Courtesy of April ScherzerU.S. newsWhen a police officer dies by suicide, what help does the spouse get?
Julia Quenzler / Handout via ReutersWorldWikiLeaks founder Julian Assange appears confused at extradition hearing
Erika Santelices / AFP - Getty Images fileWorldFBI tests find no evidence of wrongdoing in Dominican Republic deaths
Javier Torres / AFP - Getty ImagesLatinoIn Chile, a deadly weekend of arson, riots and armed forces as discontent rises
Frederic J. Brown / AFP - Getty Imagessubmit your question Your question for the Democratic candidates could be read at next debateWhich candidates have qualified for the next Democratic debate?
Sandy Huffaker / AFP - Getty ImagesU.S. newsU.S. still experiencing nearly record-high number of anti-Semitic incidents
