Half of teenagers say they worry about unwittingly sharing online propaganda.
"The research did not analyze the likelihood that another supereruption at Yellowstone would occur. Period."
CNN anchor speaks out after President Donald Trump has threatened to revoke NBC News's broadcast license.
The talk show's hosts and guests questioned Trump's understanding of the First Amendment and said whispers are spreading that he should be removed from office.
Police have identified a single attacker in the incident in which more than 50 people were killed.
The 33-year-old businessman said the president had to tune out negative coverage from the mainstream media.
Thirty-five percent of Gallup poll respondents believe the president did nothing wrong.
Half of U.S.-based unicorns—technology startups worth at least $1 billion—were founded by immigrants.
At his private golf club in New Jersey, the president went on the attack against the media.
Many immigrants face either continued poverty at home or a better life working in the American black market.
The president is alleged to have specifically reviewed drafts of the story and made editorial changes.
'For the first time in our history, we are turning to you, our readership, for help,' the site said in a statement.
Some will regard Trump's outlandish accusations as further attempts by the president to smear the publication.