" Every schoolchild learns of L’Enfant’s design to make an invasion of Washington difficult. But more interesting is the placement of the White House relative to the Capitol. The distance between them is one mile, and at the time it was a mile through difficult terrain (the mall was a swamp). The distance was a barrier meant to tilt the intercourse between Congress and the president by making it marginally more difficult for them to connect—and thereby more difficult for the executive to control the legislature. "

― Lawrence Lessig , Code: Version 2.0