71.   Once the government decides to fight in court, antitrust lawyers say, hot docs can be a difficult hurdle to overcome.

72.   Reilly could file an appeal, but antitrust lawyers say there is no guarantee that Walker or the appellate court would agree to further delay the deal.

73.   SEIU President Sal Rosselli and research director John Marshall have spent the past few months immersed in the arcane formulas government antitrust lawyers use to determine market boundaries.

74.   Schechter, the Washington antitrust lawyer, said that in most cases such market-share figures would not raise regulator objections.

75.   Similar issues have arisen in a number of previous defense mergers, according to William Kovacic, an antitrust lawyer who teaches at George Mason University.

76.   Some publishers have quietly spoken to each other and consulted their antitrust lawyers about whether they can somehow challenge the unwritten pricing rules of the newsprint market.

77.   Still, some analysts and antitrust lawyers said a combined company would likely have to divest assets to appease regulators, though, most likely the preschool businesses.

78.   Still, there were no predictions from antitrust lawyers that the Justice Department was anywhere near giving up.

79.   That decision will probably come late next year, antitrust lawyers said.

80.   That normally means that the Justice Department would not become involved, though that is not always the case, according to antitrust lawyers.