NOTE: The writers are the parents of Seth Rich, who was killed in the District in 2016. Imagine living in a nightmare that you can never wake up from. Imagine having to face every single day knowing that your son was murdered. Imagine you have no answers — that no one has been brought to justice and there are few clues leading to the killer or killers. Imagine that every single day, with every phone call you hope that it’s the police, calling to tell you that there has been a break in the case. Imagine that instead, every call...