Among the missing : aol time warner chairman steve case , whose company stock has declined by about half since last year , and gary winnick , chairman of global crossing , which filed for bankruptcy protection in january 主席史蒂夫凱斯,該公司股票自去年以來已經(jīng)下跌了將近一半美國電信公司global crossing主席加里溫尼克,該公司今年1月份申請了破產(chǎn)保護。