One of the most popular arias in the opera catalogue, sung by the licentious Duke of Mantua in Giuseppe Verdi's Rigoletto, is the tenor song "La donna a mobile."  Its opening, "qual piuma al vento" (woman is fickle like a feather in the wind), is a cynical masculine put-down sung by a scoundrel.  But its later lines, "muta d'accento e di pensier" (she changes in voice and in thought), are curiously applicable to a real-life Donna: the Democratic Party politician Donna Brazile. This Donna is no novice to local and national party politics in the U.S.  She has long been an insider in Democratic Party politics.  She has been a regular contributor to newspapers and a political commentator on TV networks including CNN, NPR, and ABC.  She was campaign manager for Al Gore in 2000, making her the first black American to direct a major campaign. She was appointed interim chair of the Democratic National Committee...(Read Full Article)