(Eric Thayer / Los Angeles Times via Getty Images) It started with yelling about toilets. Steve Ballmer was so serious about turning the Los Angeles Clippers into a serious franchise for the first time in their existence that he wanted to make sure no fan ever waited in a long line to use the bathroom when the team opened its new arena. Ballmer’s drive to win eventually led the Clippers to courting Kawhi Leonard in free agency, fresh off leading the Toronto Raptors to a 2019 NBA championsh