ABC plans to make minor changes to its docudrama on the run-up to the Sept. 11, 2001, attacks in response to heated complaints from former Clinton administration officials that a number of scenes are fabricated, a network executive said yesterday. Thomas H. Kean, the Republican who chaired the 9/11 commission and is a co-executive producer of the film, said in an interview that he recently asked for changes that would address complaints raised by the former aides to President Bill Clinton and that ABC is considering his request. "These are people of integrity," Kean said of the filmmakers. "I know...