Luke Coffey: Europe must remain firm on sanctions against Russia
A Russian soldier stands near some 30 military vehicles outside a small Ukrainian military base in Perevalnoye, a tiny town some 33 kilometers outside the Crimean capital Simferopol, on March 3, 2014.
Many European countries depend on economic trade and close energy links with Russia. This makes agreeing European sanctions against Moscow difficult and makes it even harder to keep these sanctions in place for any extended period of time.