See Candidate Page Tom Steyer, Climate, Keystone XL Steyer tweets 8/15/19 Donald Trump never should have issued permits for the Keystone XL and Dakota Access pipelines. As president, I'd halt construction immediately. Proud to sign the #NoKXL Pledge.https://t.co/YupNyTc2kB— Tom Steyer (@TomSteyer) August 16, 2019