You really ought to read this article from Timothy Snyder on the New York Review blog. But if you don’t have time this morning, and just want the key paragraph, here it is:
In fact, if you’re really pushed for time, allow me to isolate the key sentence:
A Russian parliamentarian announced one of the “terror” attacks several days before the bomb actually exploded.
You are being lied to. They are invoking ghosts to frighten you. Resist.