在爱荷华州博览会的舞台上，共和党美国国会议员扎克·纳恩在妻子和六个孩子中的四个陪伴下，激情洋溢地谈论着一个在他激烈的中期选举竞争中成为关键关切的问题：癌症。
Pacing a stage at the Iowa State Fair, flanked by his wife and four of their six children, Republican US Congressman Zach Nunn spoke passionately about an issue that has emerged as a key concern in his competitive midterms race: cancer.