SAN FRANCISCO – Jonathan Kuminga is skilled and talented, a basketball superstar-in-waiting who is being subjected to malicious detention by his employers. Once liberated from the Warriors, he will be given space to blossom.If the rest of NBA reached this conclusion and began competing for the right to add Kuminga, the Warriors take the best offer and general manager Mike Dunleavy and coach Steve Kerr would kiss each other until their lips bled.There is, however, no such frenzy. There is no love being shown toward Kuminga. Which has him going through practices and sitting on the bench for games in which he does not play – and some fans wondering if Kerr is being punitive.Of the other 29 teams in the NBA, only the Sacramento Kings have shown interest in acquiring Kuminga, according to league sources. That the Kings are alone on this island makes a statement on its own – use your imagination – but Sacramento general manager Scott Perry is eager to shed high-salaried veterans and begin a rebuild.The other 28 teams have shown no more than tepid interest, sources say, leaving the market for Kuminga even cooler now than it was last July, when he was a restricted...