BEIJING -- As some 200 million or more migrant laborers head home this weekend to celebrate the Lunar New Year, they are facing an unprecedented crisis: unemployment and a fraying safety net.

• 北京 -- 两亿甚至更多的中国出外打工人员这个周末回家过年，他们面临着一场前所未有的危机：失业和不健全的社会保障网。