Tuesday morning felt normal to Monica Foy, a junior and English major at Sam Houston State University. The first thing the 26-year-old, who lives outside Houston with her husband, did when she woke up was check her Twitter and Facebook feeds. Both were full of people mourning the loss of Darren Goforth, a Harris County Sheriff’s deputy who was murdered Friday night by a man named Shannon J. Miles, who came up behind him at a gas station, shot him in the back of the head, and then emptied every bullet in his gun into the officer. [Snip] Foy tweeted...