The "hashtag" is the pound, or number, sign on a keyboard. Many on social medial place the symbol before words, allowing those words to be tracked as keywords on social media. Listeners to my radio show, for example, often tweet with #EERS at the end for "Erick Erickson Radio Show," making it easy for listeners to see each other's tweets. In 2014, State Department spokes child Jen Psaki held up a sign for twitter showing the #UnitedForUkraine hashtag. She then followed it up a month later tweeting, "The world stands #UnitedforUkraine. Let's hope that the #Kremlin & @mfa_Russia will live...