SACRAMENTO, Calif., May 2 (Reuters) - A top California Republican on Thursday demanded a federal probe of the state's controversial $95 million software contract with Oracle Corp. (NasdaqNM:ORCL - news). ADVERTISEMENT Assembly Republican leader Dave Cox asked the U.S. Attorney's Office to take over the investigation following a media report that a lawmaker leading a legislative review of the deal was being pressured to stop by officials in administration of Democratic Gov. Gray Davis. The call comes two weeks after an audit blasted the deal with Oracle, saying the contract was awarded without competitive bids, with little legal oversight, for...