(August 2, 2016, 11:17 AM EDT) -- SAN FRANCISCO — Pursuant to California law, an arbitrator is the appropriate party to decide whether an arbitration agreement allows arbitration on a classwide basis, a divided California Supreme Court ruled July 28, holding that the question is a procedural matter, not a gateway question of arbitrability (Timothy Sandquist v. Lebo Automotive, Inc., et al., No. S220812, Calif. Sup.; 2016 Cal. LEXIS 6246)....