► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs A dramatic drop in the rouble has triggered fears of a Russian currency crisis. FT eastern Europe editor Neil Buckley and deputy emerging markets editor Jonathan Wheatley discuss the impact of falling oil prices and growth, and geopolitical tensions. ► FT Markets: http://bit.ly/1J5HNd3 ► FT Business: http://bit.ly/1KUK08s Twitter / ftvideo Facebook / financialtimes