NORTH MYRTLE BEACH, S.C. (WBTW) -- North Myrtle Beach city council member Nikki Fontana won't seek a fourth term -- a decision she said is unrelated to a recent DUI arrest. Fontana, 51, made the announcement on her "Politically Unplugged" podcast, which was posted Friday. "If you think that what I'm going to say is because of anything that happened recently, you're very wrong, and you're an idiot to think so," Fontana said. "Because I don't let …