We at Foreign Affairs have recently published a number of pieces dealing with the geopolitical challenge Russia poses to the United States. To complement these articles, we decided to ask a broad pool of experts for their take. As with previous surveys, we approached dozens of authorities with deep specialized expertise relevant to the question at hand, together with a few leading generalists in the field. Participants were asked to state whether they agreed or disagreed with a proposition and to rate their confidence level in their opinion; the answers from those who responded are below: