commission, when Sanders spoke to the U.S. Senate or when Trump and Fiorina spoke at the New Hampshire Republican Leadership Summit, the candidates limited their pitch to the low and medium frequencies.]]> orators, able to persuade large and diverse crowds with powerful speeches.]]> effective speaker, by analyzing the strategies they use.]]> particular quirks.]]> expectation" of what a charismatic leader sounds like, Signorello said.]]> reason that some of the most successful politicians, for better or worse, are also known as outstanding orators, able to persuade large and diverse crowds with powerful speeches.]]> feature political subject matter.]]> convey their charisma," Rosario Signorello, a postdoctoral researcher at UCLA's Department of Head and Neck Surgery and one of the researchers behind the work, said a recent briefing.]]> politician an effective speaker, by analyzing the strategies they use.]]> politics, it's not what you say, it's how you say it.]]> dominance and it's a well-worn strategy across the mammalian kingdom.]]> background, gender, he has to diversify a lot because he wants to be perceived as charismatic by everyone," Signorello said of Sanders.]]> Seasoned politicians know this all too well; some presidential hopefuls in this once-crowded election campaign may have learned it the hard way.]]> persuade large and diverse crowds with powerful speeches.]]> research finds.]]>