Cubans celebrate Summer Carnival in Santiagohttp://worldblog.msnbc.msn.com/archive/2008/07/31/1237174.aspxMusic and dancing fill the streets of Santiago, Cuba from sundown to the first light of dawn. Contagious drum rhythms draw people out of their homes into endless conga lines -- some lasting as long as six hours. NBC News' Mary Murray reports on the colorfulen-USCommunityServer 2.0 (Build: 60608.1)