This year, digital advertising is expected to exceed TV and print advertising for the first time ever and Trump's reelection campaign is doubling down on its digital ad strategy. CNN's John Avlon reports.

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It's the site of the world's worst nuclear disaster, responsible for causing an incalculable number of deaths and exposing millions to dangerous radiation.

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Chernobyl, the site of a nuclear disaster in 1986, is experiencing a bump in tourism since the start of HBO's series "Chernobyl." CNN's Matthew Chance reports.

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A 28-year-old woman living at her parents' house shot and killed her stepfather and her own daughter after midnight on Monday, police in Florida said.

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Sen. Elizabeth Warren's policy-centric 2020 campaign has widely known as one of the most policy-driven in recent history. CNN's MJ Lee has an exclusive look at Warren's "policy factory."

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Jessy Pacheco of Arkansas was reported missing for most of last week after his graduation from medical school in Mexico.

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As anticipation builds for New York City's celebration of WorldPride 2019, we go behind-the-scenes of this historic event.

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For centuries, people have witnessed unexplained lights in the sky and thought that perhaps they might be ghosts or angels. However, it was in the summer of 1947 when a different explanation became popular. Following a widely reported incident over Mt. Rainier in Washington state, people began to believe that these unidentified flying objects (UFOs) are actually alien spacecraft prowling the Earth.

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The rainbow flag, which has become a universal symbol of hope for LGBTQ people around the world, first flew in San Francisco's United Nations Plaza for Gay Pride Day, on June 25, 1978.

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