Children are not "nearly immune" to the coronavirus, Sandra Smith told her guest.
Facebook and Twitter both penalized the campaign for posting video from a Fox News interview in which Trump says children are "almost immune" to COVID-19.
The president's eldest son shared a video peddling false claims about a coronavirus cure.
Even if the platform deters another attack, the hack is a lightning rod for disinformation.
"Misinformation is causing panic, anger, polarization between political parties, sickness and even death. It's time to assign it a diagnostic code."
A coronavirus vaccine is within reach, but its success may test whether social media companies are serious about cracking down on misinformation.
Numerous groups campaigning against coronavirus quarantines have become hubs for misinformation about Black Lives Matter and vaccines.
During this time of uncertainty, false and misleading stories have life and death consequences. Here are the tools to fight them.
An interview with misinformation expert Claire Wardle on why false information thrives in a pandemic.
Our editors have picked some of your most thought-provoking comments from last week’s top stories.