From left, Gary Ruttenberg, Bobby Samini and Max Blecher, attorneys for Los Angeles Clippers owner Donald Sterling, listen to a question during a news conference outside the Los Angeles Superior Court on Tuesday. Sterling was testy during his 90-minute appearance Tuesday afternoon, denouncing doctors who declared him to have Alzheimer’s disease as “hired guns,” pleading a faulty memory about some of his most controversial remarks and repeatedly drawing laughter from spectators.