In any good narrative, tension between a gracious winner and a sore loser can carry a story only so far. Eventually, the sore loser needs either a comeuppance, a plot twist or a redemption arc to avoid growing tiresome. The ongoing rivalry between rookie guard Caitlin Clark of the WNBA’s Indiana Fever and rookie forward Angel Reese of the Chicago Sky, which dates to their college days, will soon grow tiresome if, while Clark maintains her present gracious posture, Reese continues to devolve into a caricature of self-pity who hilariously fancies herself both villain and victim. On Sunday, Clark…