Infrastructure Package, Covid News, Line3 Pipeline. August 6, 2021, Part 1 Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email Protesters interrupt construction on the Enbridge Line 3 pipeline north of Aitkin, Minnesota, on Jan. 9. ( Ben Hovland/MPR News ) Hosted by Ira Flatow and John Dankosky Produced by Science Friday and WNYC Studios