THE publicity hoopla over Disney's upcoming wartime drama "Pearl Harbor" has reached all the way to the U.S. Senate, where an ethics committee has nixed a plan to put several war veteran politicians on "Who Wants to Be a Millionaire." Stars from the film, including Ben Affleck, were in talks to appear as contestants on the hit game show, which airs on Disney-owned ABC. Proceeds from the "Millionaire" guest spots would have gone to the World War II Memorial fund. The show was supposed to have taped over the weekend and aired the final weekend of May sweeps. Instead, "Millionaire's" producers have been forced to scuttle the special edition. Unfortunately for the would-be congressional contestants, the ethics panel say that Senate rules prohibit members from receiving fees exceeding $2,000, even if the money is going to a charitable cause. The "Millionaire" idea is said to have been hatched by Walt Disney Co. chairman Michael Eisner and former Republican Sen. Bob Dole, who is moonlighting these days as a consultant/lobbyist for various Hollywood interests. Lawmakers tentatively slated to appear on the show included Sen. Daniel Inouye (D-Hawaii), Sen. John McCain (R-Ariz.) and Sen. John Warner (R-Va.). Dole also was on the list.