Nabucco was first planned in 2002, while plans for South Stream go back to 2007.
South Stream is indeed fascist Russia's answer to Nabucco. The neo-Soviet Kremlin should learn from Libya that their plans to use state-controlled energy supplies as political weapons of blackmail and intimidation will not go unchallenged!
Western Civilization's answer to savage backwards Russia: Nabucco Consortium Welcomes EU Negotiations on Trans-Caspian Gas Pipeline - September 14th, 2011 - The EU on Monday agreed to propose a union-wide treaty supporting the completion of a Trans-Caspian pipeline that would connect Turkmenistan to Azerbaijan via the Caspian Sea. Gas from that pipeline would be fed into the EU- and U.S.-backed Nabucco pipeline and transported to western Europe on a route that bypasses Russia.