there s also new information on the reporting released by british intelligence this past weekend, that russia is plotting to overthrow the ukrainian government and install a puppet regime. two sources tell nbc news while it was widely portrayed as british intelligence, it was actually by the u.s. and shared and released publicly by the u.k. russia has dismissed the reporting as quote disinformation. joining us now, professor of global politics at universal college london, brian, a columnist for the washington post, thanks for joining us today. give us your analysis of this level of troop preparedness by the u.s., what led to it, and have tensions now escalated to a point of no return along the ukrainian border? the united states is trying to telegraph to vladimir putin there will be serious consequences if he invades ukraine and i think the question is will it be enough. because vladimir putin is someone who is a strategic