Putin demands Rubles for Russian Gas; Will Moscow's tactic work?

President Vladimir Putin said Wednesday Russia will only accept payments in rubles for gas deliveries to "unfriendly countries", which include all EU members, after Moscow was hit by unprecedented sanctions over Ukraine. Putin ordered Russia's central bank to implement the new payment system within a week. Immediately after his announcement, the ruble -- which has plummeted since the start of the Ukraine conflict -- strengthened against the dollar and euro, while gas prices rose. Watch the full video for more.