https://www.reuters.com/article/us-alphabet-uber-ruling/uber-waymo-trial-delayed-as-u-s-judge-raises-prospect-of-cover-up-idUSKBN1DS26X >Uber Technologies Inc withheld evidence in a lawsuit filed by Alphabet Inc's Waymo, a U.S. judge said on Tuesday, delaying a trial to give Waymo time to review a letter alleging Uber trained employees to steal trade secrets and hide their tracks.