​Portland Mayor Keith Wilson hit back Wednesday after NBA Commissioner Adam Silver said the city’s lease and arena renovation negotiations with the Trail Blazers had “gone off track in various ways.” Wilson pinned the problems on what he said was an “absence of essential details from the Blazers,” echoing a central concern raised by Portland lawmakers in recent weeks as they’ve weighed contributing a large public subsidy toward a proposed $600 million makeover of the Moda Center.Oregonian