Bo Dietl, with the microphone, was among four Republicans candidates making their cases at the Metropolitan Club to be the GOP nominee in this year's mayoral contest. Other candidates at the Wednesday night forum were, from Dietl’s left, Michel Faulkner, Nicole Malliotakis and Paul Massey. The Manhattan Republican Party’s chairwoman, Adele Malpass, seated at right, moderated. Photo: Madeleine Thompson