(October 30, 2017, 4:35 PM EDT) -- SAN FRANCISCO — Whether Uber operates as a de facto taxi service in California and what rules govern its operations is a regulatory question best left for a state agency, a federal judge in California held Oct. 17. The judge ordered the parties to meet to discuss whether the ruling left any portion of the company’s California unfair competition law (UCL) claim remaining (A White and Yellow Cab Inc. v. Uber Technologies Inc., et al., No. 15-05163, N.D. Calif., 2017 U.S. Dist. LEXIS 171795)....