Cohen is the agency's director."Players will work their butts offsame as past [two] yearsto get this done," George Atallah, the union's assistant executive director of external affairs, wrote Monday on Twitter.Participants in the bargaining meetings have adhered firmly to Cohen's request that the negotiators refrain from public comments about the details of the talks. But sources with knowledge of last week's developments said over the weekend and Monday morning that the optimism for a settlement sparked by last week's postponements resulted mainly because there was some bargaining movement, not because that movement was particularly substantial.Various sources said there was modest movement on the revenuesplit issue. They put the remaining difference at between $750 million and $800 million per year.Under the current labor deal, owners are credited with about $1.3 billion per year for expenses before the players' portion of the sport's approximately $9 billion in annual