https://www.reuters.com/article/us-tech-antitrust-google/u-s-case-against-google-seen-benefiting-from-obama-nominated-judge-idUSKBN2761ZA >The selection of U.S. District Judge Amit Mehta, nominated to the court by President Barack Obama, to hear the U.S. Justice Department's case against Alphabet's Google , suggests a tough courtroom battle ahead for the $1-trillion search and advertising company.