Former St. Petersburg mayoral candidate Kevin Batdorf has endorsed Charlie Crist in the Nov. 3 runoff against incumbent Mayor Ken Welch. Batdorf said Crist has the executive experience to address the city’s infrastructure, hurricane recovery and management challenges. Batdorf, a local businessman and former Shore Acres Civic Association president, said he is “proud to endorse a proven leader” and encouraged his supporters to back Crist.