Today on Sundial: Miami Beach’s new mayor, Dan Gelber, joins us in the studio to talk about the future challenges the city faces. Miami Beach residents can expect a low-key style from Gelber, who understands the intricacies of policymaking and knows the influence the mayor can have in the city. Gelber has a very different style than his predecessor, Phillip Levine, who has officially launched his run for governor. The upcoming challenges for the mayor center around resiliency and sea-level rise,