Good morning, City Desk readers, and welcome to another edition of the morning roundup before Freedom Friday's morning roundup. Jule Banville is researching how flamingos can bear to stand on one leg for so long, and yours truly is attempting to fill her tiny shoes.
Silverdocs, white supremacists and more, after the jump.

The Associated Press is reporting that the Holocaust Memorial Museum guard shot today by a gunman has died at George Washington University Hospital.
He has been identified as Stephen Tyrone Johns, and had worked at the museum for six years.
UPDATE, 5:10 P.M.: The museum has posted a statement on its Web site: "There are no words [...]