By Steve HensonLos Angeles TimesLOS ANGELES — Kawhi Leonard mumbled his way through a few answers to questions Monday about his endorsement deal with Aspiration Partners that has triggered an NBA investigation into whether the Clippers circumvented the league salary cap. We invite the investigation.”Asked about his understanding of the endorsement deal and whether he performed any services, Leonard replied, “I understand the full contract and services that I had to do. At issue in this case is whether the Clippers participated in arranging the side deal beyond simply introducing Aspiration executives to Leonard. Frank emphasized that the Clippers front office takes the salary cap rules seriously. “The salary cap governs everything we do,” he said.