President Trump’s pledge that new pipeline projects will use “American steel” will not apply to the Keystone XL project, according to media reports, directly contradicting the president’s own words last week. Politico reported late Thursday night that a White House spokeswoman explained that the project, which has been in the works for the past decade, does not count as a “new” or “retrofitted” pipeline, and therefore is not subject to Mr. Trump’s made-in-America requirement. Comments from TransCanada, the company proposing the project, on Friday morning seem to confirm the firm will not be forced to use all U.S. steel. The...