This is a very good video essay about the use of disinformation as a weapon by the KGB. Especially interesting, needless to say, given what's happening around the world in the last couple of years.
Everytime I hear someone I know who's reasonably smart and educated say something along the lines of "you don't know who to believe anymore"* regarding the news media, I am filled with a sense of dread over the effectiveness of these campaigns.
Of course the answer is: "You should believe the news organizations that have been around for decades, have a staff of proffesional journalists, and excellent track record; not the crap you receive over WhatsApp or Facebook from questionable sources".
Act 1. Obama's 2012 "red line" blunder sent a clear message that Assad/Putin can do whatever they please in Syria and the US won't do anything about it.
Act 2. Trump's bizarre infatuation with Putin plus it's non-interventionist rhetoric sends an even clearer message that Assad/Putin can do whatever they please in Syria and the US won't do anything about it.
With almost a month to go until Passover, the yearly displays of rampant medieval antisemitism show start to show their face. This time they are putting up posters in Russia accusing Jews of blood libel.