This article in Time makes the case. Here’s a quote:

…Booker’s political future in Newark remains bright. According to an internal poll, he enjoys an 80% approval rating. More important, a strong opponent has yet to enter next year’s mayoral election. Booker’s victory looks like a foregone conclusion. “For the first time in my life, Newark is looked at more positively because of its mayor,” says Steve Adubato Sr., a longtime local power broker, and former Booker foe, who runs a nonprofit in the city. “Newark is no longer a big joke.”