The document compares the construction timelines of several massive infrastructure projects to the 6 year permitting process for the Keystone XL pipeline, including: the Golden Gate Bridge (4 years), Hoover Dam (5 years), Boeing Everett Factory (1 year), Pentagon (2 years), Hartsfield-Jackson Atlanta International Airport (2 years), and Beaver Stadium (2 years). It asks readers to share what they've accomplished in 6 years to put the lengthy Keystone XL permitting process into perspective.