Eddy Cue, Apple's senior vice president in charge of internet software and services, took the stand today in the Department of Justice's antitrust case against Apple over the price of e-books following the launch of the iBooks Store in 2010. Cue is Apple's chief negotiator and was in charge of all discussions with the major book publishing houses. The DoJ is alleging that Apple illegally worked with publishers to artificially increase e-book prices, a violation of U.S. antitrust laws. In testimony today, Cue admitted that the prices of some e-books -- including many of those appearing on the New York Times best sellers list -- did rise after the iBooks Store was opened, but it was more the result of publishers being unhappy with Amazon's pricing of $9