Exclusive — Marsha Blackburn: Border Wall, Keystone XL Are Conditions for Infrastructure Bill Exclusive — Marsha Blackburn: Border Wall, Keystone XL Are Conditions for Infrastructure Bill August 2, 2021 by Robert Kraychik Sen. Marsha Blackburn (R-TN) told Breitbart News that funding the Keystone XL Pipeline and a southern border wall are conditions for some…