The attack by a gunman on members of a Republican congressional team in a suburb of Washington highlighted the extent to which the tensions between Democrats and Republicans are rising and the danger that it could ignite violence by both sides.
SO we are back in USA 1960. Democrat John Kennedy is running against Republican Richard Nixon in a heated presidential campaign. He is a staunch Democrat who plans to vote for Senator Kennedy in November, and his teenage daughter approaches him with the news. She has a new...