The word of the week is “nuclear,” and the latest Political Junkie show is all over it. First, host Ken Rudin talks with Cameron Abadi, an editor with Foreign Affairs magazine, about the accord signed by the United States and five other nations regarding Iran’s nuclear energy program. Then on to the Senate, where the majority Democrats, frustrated with Republican filibusters of President Obama nominees, reduced the number of senators needed to stop the gabfests from 60 to 51, employing what is called the “nuclear option.” John Pitney, a politics professor at Claremont McKenna College, discusses how the move has infuriated Republicans and endangers working relationships between the two parties – not that the relationship was so good to begin with. Plus trivia, this day in history, and more!