By Chris Sheridan KAUNAS, Lithuania — This city is the birthplace and/or childhood home of Arvydas Sabonis, Sarunas Jasikevicius, Sarunas Marciulonis and Zydrunas Ilgauskas, and by the end of next weekend it will be the metropolis (to use that word loosely) where the latest European champion is crowned. Eight teams have made it to the quarterfinals of EuroBasket, and the do-or-die portion begins Wednesday night with Spain-Slovenia and Macedonia-Lithuania. Thursday’s games are France-Greece and Russia-Serbia, and the semifinals — which will determine which two teams qualify for the 2012 Olympics