Perhaps, given the heat Quinn took for supporting his move to extend the mayoral term limits, Bloomberg's endorsement would in fact have been her campaign's final death kiss, but his choice not to endorse her was undoubtedly a big blow to Quinn.
He did however stick with his Police Commissioner Ray Kelly, his most important appointment, and together they brought crime down to historically low levels.
It’s been an interesting 12 years, and the future of New York has been forever changed. NPR’s Margot Adler summed up what, for better or for worse, we’ll miss about Bloomberg as mayor:
“Mayor-elect de Blasio talks of a tale of two cities, and there's truth in that. But as a reporter covering a man who spoke his mind no matter what, it was often a pleasure.”