South Sudan marks another year of freedom without peace

South Sudan on Sunday marked its sixth independence anniversary in muted fashion, with no official celebration as the world's newest nation reels from a brutal and destructive ongoing civil war.A third of the population has been forced from their homes creating one of the world's worst refugee crises, tens of thousands have been killed and a famine and food shortages have threatened the lives of millions more.On July 9, 2011, dignitaries from around the world joined crowds of South Sudanese to c