Apple CEO Tim Cook must sit for a deposition in the U.S. government’s antitrust lawsuit against Apple for alleged e-book price-fixing, according to a new report. U.S. District Judge Denise Cote granted a Justice Department request for Cook to testify for four hours. Apple had argued that Cook’s testimony would be “cumulative and duplicative” due to the depositions of 11 other Apple executives, but the Judge held that Cook should…