The Secret Service is adding a second layer of steel spikes to the top of the White House fence to keep would-be intruders at bay, according to a proposal submitted to the National Capitol Planning Commission. The ½-inch long steel “pencil point” spikes will be snapped into place at the top of the fence and protrude outward, according to a diagram included in the proposal submitted for the Secret Service by that National Park Service. The spikes will be added to the fence along the north and south sides of the White House grounds. […] The Secret Service has been...