Eric Holder is staring at Eternal Flame on T. Is that some kind of threat he is making or is he looking for his keys to the Unknown?

Could be Harry Reid in that photo. Grey hair.

The Great China Wall was built not because the Emperor ordered it, but because the Chinese loved the people on the inside. In that case, the people on the inside really did fear the people on the outside known as the Mongols, who killed 95% of the people they conquered.