Senate Democrats will introduce a series of amendments countering the GOP push to pass legislation approving the Keystone XL pipeline, Sen. Charles Schumer (D., N.Y.) said Sunday. The amendments are unlikely to change the ultimate outcome of the bill, which is expected to pass and face a potential veto from President Barack Obama . But the Democratic strategy will add more political tension to what’s expected to be a partisan showdown between Mr. Obama and Republicans pushing to approve the pipeline as their first item of business this upcoming Congress. Democrats will introduce at least three amendments that would make the Keystone measure “more of a jobs bill,” Mr. Schumer, the fourth-most-senior Democrat in the upper chamber, said Sunday on CBS ‘s “Face The Nation.” The amendments will require the steel used in the pipeline to be made in the U.S., ban exports of oil shipped through […]