Shooting from the Hip

Defined as “reacting suddenly or without careful consideration of one’s words or actions,” is the most recent fault of too many tweeters who experience very serious consequences. Roseanne Barr (@therealroseanne), for example, recently published a racist tweet toward former Obama aide, Valerie Jarrett, resulting in ABC’s cancellation of Ms. Barr’s  No. 1-rated TV show, her reruns scrapped and her dismissal from the talent …