Should the Identity of Anonymous Sources be Revealed if they Lie to Journalists?

Unpacking Ryan Fournier's Retraction of his Reporting on Trump's Former Chief of Staff Mark Meadows based on Anonymous Sourcing.

UPDATE: Shortly after his retraction today Ryan explained that former Rep. Walker was the source of the original claim that Trump’s former Chief of Staff was wearing a wire. But later he clarified that Rep. Walker wasn’t HIS source but supposedly the source of his source. Rep. Walker has denied the claims. As of the publication of this update, Ryan has …