You hear “The Hulk” before you see him: Chadchart Sittipunt’s voice carries as he canvasses for a second term as Bangkok governor in the tight, twisting alleys of a working-class canalside community.The nickname, affectionately bestowed upon him by Thai internet users for his muscular frame and passion for running, suits the 60-year-old well. He has been out hustling for votes daily ahead of Sunday’s election, which he appears all but certain to win.Meeting residents in poor communities,...