His news feeds and air-conditioned studio were hundreds of miles away in New York. But Fox News Channel anchor Shepard Smith looked at ease perched on a platform before the pool at the Don Cesar Beach Resort and Spa in St. Pete Beach on Tuesday, stealing glances at a nearby BlackBerry and laptop computer while leading the 3 p.m. newscast, Studio B. “There was a time when covering news from a remote location was hard,” said Smith, dabbing a tissue at tiny trickles of sweat on his face. “Today, I’m not any more or less connected here, because of technology,...