US sanctions to punish the Kremlin for invading Crimea and eastern Ukraine should be codified by Congress to ensure they stick.
http://www.worldaffairsjournal.org/article/how-keep-russia-sanctions-trump-proof
Facing mounting debt and growing financial obligations, some of the country's cash-strapped regions are pushing back against the Kremlin's economic policies.
https://www.stratfor.com/analysis/payback-time-russias-federal-government
http://www.ej.ru/?a=note&id=30686
http://graniru.org/opinion/milshtein/m.258415.html
http://lb.ua/world/2017/01/30/357197_povestka_trampa.html
http://www.kommersant.ru/doc/3205872
http://www.kasparov.ru/material.php?id=588EE9A2A5696
http://www.kommersant.ru/doc/3199988
http://ru.krymr.com/a/28265891.html