SERIOUS SECURITY: A member of the Secret Service’s Uniformed Division closes a gate to the vice president’s residence at the US Naval Observatory. Number One Observatory Circle, the official home and residence of the Vice President of the United States, built in 1893 at a cost of $20,000. (Credit: (AP Photo/Charles Dharapak, ID: 742076799073). Text credit: Charles Denyer.

SERIOUS SECURITY: A member of the Secret Service’s Uniformed Division closes a gate to the vice president’s residence at the US Naval Observatory. Number One Observatory Circle, the official home and residence of the Vice President of the United States, built in 1893 at a cost of $20,000. (Credit: (AP Photo/Charles Dharapak, ID: 742076799073). Text credit: Charles Denyer.